38509535297 has 2 divisors, whose sum is σ = 38509535298. Its totient is φ = 38509535296.

The previous prime is 38509535231. The next prime is 38509535411. The reversal of 38509535297 is 79253590583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35089157041 + 3420378256 = 187321^2 + 58484^2 .

It is a cyclic number.

It is not a de Polignac number, because 38509535297 - 2⁸ = 38509535041 is a prime.

It is not a weakly prime, because it can be changed into another prime (38509135297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19254767648 + 19254767649.

It is an arithmetic number, because the mean of its divisors is an integer number (19254767649).

Almost surely, 2^38509535297 is an apocalyptic number.

It is an amenable number.

38509535297 is a deficient number, since it is larger than the sum of its proper divisors (1).

38509535297 is an equidigital number, since it uses as much as digits as its factorization.

38509535297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206000, while the sum is 56.

The spelling of 38509535297 in words is "thirty-eight billion, five hundred nine million, five hundred thirty-five thousand, two hundred ninety-seven".