38457748831 has 2 divisors, whose sum is σ = 38457748832. Its totient is φ = 38457748830.

The previous prime is 38457748783. The next prime is 38457748843. The reversal of 38457748831 is 13884775483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38457748831 - 2¹³ = 38457740639 is a prime.

It is a super-2 number, since 2×38457748831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38457748871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19228874415 + 19228874416.

It is an arithmetic number, because the mean of its divisors is an integer number (19228874416).

Almost surely, 2^38457748831 is an apocalyptic number.

38457748831 is a deficient number, since it is larger than the sum of its proper divisors (1).

38457748831 is an equidigital number, since it uses as much as digits as its factorization.

38457748831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18063360, while the sum is 58.

The spelling of 38457748831 in words is "thirty-eight billion, four hundred fifty-seven million, seven hundred forty-eight thousand, eight hundred thirty-one".