5122621949041 has 3 divisors (see below), whose sum is σ = 5122624212363. Its totient is φ = 5122619685720.

The previous prime is 5122621949033. The next prime is 5122621949059. The reversal of 5122621949041 is 1409491262215.

The square root of 5122621949041 is 2263321.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 163805563441 + 4958816385600 = 404729^2 + 2226840^2 .

It is not a de Polignac number, because 5122621949041 - 2³ = 5122621949033 is a prime.

It is a super-2 number, since 2×5122621949041² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5122621948982 and 5122621949000.

It is not an unprimeable number, because it can be changed into a prime (5122621949941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1131661 + ... + 3394981.

It is an arithmetic number, because the mean of its divisors is an integer number (1707541404121).

Almost surely, 2^{5122621949041} is an apocalyptic number.

5122621949041 is the 2263321-st square number.

5122621949041 is the 1131661-st centered octagonal number.

It is an amenable number.

5122621949041 is a deficient number, since it is larger than the sum of its proper divisors (2263322).

5122621949041 is an frugal number, since it uses more digits than its factorization.

5122621949041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526642 (or 2263321 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 5122621949041 in words is "five trillion, one hundred twenty-two billion, six hundred twenty-one million, nine hundred forty-nine thousand, forty-one".