2506323645017 has 2 divisors, whose sum is σ = 2506323645018. Its totient is φ = 2506323645016.

The previous prime is 2506323644989. The next prime is 2506323645031. The reversal of 2506323645017 is 7105463236052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1721582792281 + 784740852736 = 1312091^2 + 885856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506323645017 - 2²⁰ = 2506322596441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2506323645037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253161822508 + 1253161822509.

It is an arithmetic number, because the mean of its divisors is an integer number (1253161822509).

Almost surely, 2^{2506323645017} is an apocalyptic number.

It is an amenable number.

2506323645017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506323645017 is an equidigital number, since it uses as much as digits as its factorization.

2506323645017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 2506323645017 in words is "two trillion, five hundred six billion, three hundred twenty-three million, six hundred forty-five thousand, seventeen".