38946259057 has 2 divisors, whose sum is σ = 38946259058. Its totient is φ = 38946259056.

The previous prime is 38946259019. The next prime is 38946259063. The reversal of 38946259057 is 75095264983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32456184336 + 6490074721 = 180156^2 + 80561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38946259057 is a prime.

It is a super-2 number, since 2×38946259057² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38946258992 and 38946259010.

It is not a weakly prime, because it can be changed into another prime (38946259067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19473129528 + 19473129529.

It is an arithmetic number, because the mean of its divisors is an integer number (19473129529).

Almost surely, 2^38946259057 is an apocalyptic number.

It is an amenable number.

38946259057 is a deficient number, since it is larger than the sum of its proper divisors (1).

38946259057 is an equidigital number, since it uses as much as digits as its factorization.

38946259057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 38946259057 in words is "thirty-eight billion, nine hundred forty-six million, two hundred fifty-nine thousand, fifty-seven".