102590790917 has 2 divisors, whose sum is σ = 102590790918. Its totient is φ = 102590790916.

The previous prime is 102590790901. The next prime is 102590791031. The reversal of 102590790917 is 719097095201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56925665281 + 45665125636 = 238591^2 + 213694^2 .

It is an emirp because it is prime and its reverse (719097095201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102590790917 - 2⁴ = 102590790901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102590790217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51295395458 + 51295395459.

It is an arithmetic number, because the mean of its divisors is an integer number (51295395459).

Almost surely, 2^102590790917 is an apocalyptic number.

It is an amenable number.

102590790917 is a deficient number, since it is larger than the sum of its proper divisors (1).

102590790917 is an equidigital number, since it uses as much as digits as its factorization.

102590790917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 357210, while the sum is 50.

The spelling of 102590790917 in words is "one hundred two billion, five hundred ninety million, seven hundred ninety thousand, nine hundred seventeen".