38358686040497 has 2 divisors, whose sum is σ = 38358686040498. Its totient is φ = 38358686040496.

The previous prime is 38358686040487. The next prime is 38358686040529. The reversal of 38358686040497 is 79404068685383.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32377966346896 + 5980719693601 = 5690164^2 + 2445551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38358686040497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38358686040497.

It is not a weakly prime, because it can be changed into another prime (38358686040487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19179343020248 + 19179343020249.

It is an arithmetic number, because the mean of its divisors is an integer number (19179343020249).

Almost surely, 2^{38358686040497} is an apocalyptic number.

It is an amenable number.

38358686040497 is a deficient number, since it is larger than the sum of its proper divisors (1).

38358686040497 is an equidigital number, since it uses as much as digits as its factorization.

38358686040497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 836075520, while the sum is 71.

The spelling of 38358686040497 in words is "thirty-eight trillion, three hundred fifty-eight billion, six hundred eighty-six million, forty thousand, four hundred ninety-seven".