2013239872057 has 2 divisors, whose sum is σ = 2013239872058. Its totient is φ = 2013239872056.

The previous prime is 2013239871977. The next prime is 2013239872079. The reversal of 2013239872057 is 7502789323102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1440086401296 + 573153470761 = 1200036^2 + 757069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013239872057 is a prime.

It is a super-2 number, since 2×2013239872057² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2013239872057.

It is not a weakly prime, because it can be changed into another prime (2013239872097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006619936028 + 1006619936029.

It is an arithmetic number, because the mean of its divisors is an integer number (1006619936029).

Almost surely, 2^{2013239872057} is an apocalyptic number.

It is an amenable number.

2013239872057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013239872057 is an equidigital number, since it uses as much as digits as its factorization.

2013239872057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 2013239872057 in words is "two trillion, thirteen billion, two hundred thirty-nine million, eight hundred seventy-two thousand, fifty-seven".