38457762913 has 2 divisors, whose sum is σ = 38457762914. Its totient is φ = 38457762912.

The previous prime is 38457762901. The next prime is 38457762977. The reversal of 38457762913 is 31926775483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31274861409 + 7182901504 = 176847^2 + 84752^2 .

It is an emirp because it is prime and its reverse (31926775483) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38457762913 is a prime.

It is not a weakly prime, because it can be changed into another prime (38457762613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19228881456 + 19228881457.

It is an arithmetic number, because the mean of its divisors is an integer number (19228881457).

Almost surely, 2^38457762913 is an apocalyptic number.

It is an amenable number.

38457762913 is a deficient number, since it is larger than the sum of its proper divisors (1).

38457762913 is an equidigital number, since it uses as much as digits as its factorization.

38457762913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 55.

The spelling of 38457762913 in words is "thirty-eight billion, four hundred fifty-seven million, seven hundred sixty-two thousand, nine hundred thirteen".