38428872400613 has 12 divisors (see below), whose sum is σ = 39344803588620. Its totient is φ = 37533791586816.

The previous prime is 38428872400579. The next prime is 38428872400621. The reversal of 38428872400613 is 31600427882483.

It can be written as a sum of positive squares in 2 ways, for example, as 3545414087329 + 34883458313284 = 1882927^2 + 5906222^2 .

It is not a de Polignac number, because 38428872400613 - 2⁸ = 38428872400357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38428872403613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51603845 + ... + 52343237.

It is an arithmetic number, because the mean of its divisors is an integer number (3278733632385).

Almost surely, 2^{38428872400613} is an apocalyptic number.

It is an amenable number.

38428872400613 is a deficient number, since it is larger than the sum of its proper divisors (915931188007).

38428872400613 is an equidigital number, since it uses as much as digits as its factorization.

38428872400613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767588 (or 767545 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 38428872400613 in words is "thirty-eight trillion, four hundred twenty-eight billion, eight hundred seventy-two million, four hundred thousand, six hundred thirteen".