5139356221441 has 4 divisors (see below), whose sum is σ = 5534691315412. Its totient is φ = 4744021127472.

The previous prime is 5139356221361. The next prime is 5139356221451. The reversal of 5139356221441 is 1441226539315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3178390102416 + 1960966119025 = 1782804^2 + 1400345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5139356221441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5139356221391 and 5139356221400.

It is not an unprimeable number, because it can be changed into a prime (5139356221451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197667546966 + ... + 197667546991.

It is an arithmetic number, because the mean of its divisors is an integer number (1383672828853).

Almost surely, 2^{5139356221441} is an apocalyptic number.

It is an amenable number.

5139356221441 is a deficient number, since it is larger than the sum of its proper divisors (395335093971).

5139356221441 is a wasteful number, since it uses less digits than its factorization.

5139356221441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395335093970.

The product of its digits is 777600, while the sum is 46.

It can be divided in two parts, 513935 and 6221441, that added together give a palindrome (6735376).

The spelling of 5139356221441 in words is "five trillion, one hundred thirty-nine billion, three hundred fifty-six million, two hundred twenty-one thousand, four hundred forty-one".