49815660436441 has 3 divisors (see below), whose sum is σ = 49815667494463. Its totient is φ = 49815653378420.

The previous prime is 49815660436417. The next prime is 49815660436459. The reversal of 49815660436441 is 14463406651894.

The square root of 49815660436441 is 7058021.

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., 8810335904841 + 41005324531600 = 2968221^2 + 6403540^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49815660436441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49815660436441.

It is not an unprimeable number, because it can be changed into a prime (49815660436471) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3529011 + ... + 10587031.

Almost surely, 2^{49815660436441} is an apocalyptic number.

49815660436441 is the 7058021-st square number.

49815660436441 is the 3529011-st centered octagonal number.

It is an amenable number.

49815660436441 is a deficient number, since it is larger than the sum of its proper divisors (7058022).

49815660436441 is an frugal number, since it uses more digits than its factorization.

49815660436441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14116042 (or 7058021 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 61.

The spelling of 49815660436441 in words is "forty-nine trillion, eight hundred fifteen billion, six hundred sixty million, four hundred thirty-six thousand, four hundred forty-one".