38380075957 has 2 divisors, whose sum is σ = 38380075958. Its totient is φ = 38380075956.

The previous prime is 38380075883. The next prime is 38380075961. The reversal of 38380075957 is 75957008383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33741648721 + 4638427236 = 183689^2 + 68106^2 .

It is a cyclic number.

It is not a de Polignac number, because 38380075957 - 2¹¹ = 38380073909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38380075898 and 38380075907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38380075157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19190037978 + 19190037979.

It is an arithmetic number, because the mean of its divisors is an integer number (19190037979).

Almost surely, 2^38380075957 is an apocalyptic number.

It is an amenable number.

38380075957 is a deficient number, since it is larger than the sum of its proper divisors (1).

38380075957 is an equidigital number, since it uses as much as digits as its factorization.

38380075957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 38380075957 in words is "thirty-eight billion, three hundred eighty million, seventy-five thousand, nine hundred fifty-seven".