515646464159 has 2 divisors, whose sum is σ = 515646464160. Its totient is φ = 515646464158.

The previous prime is 515646464149. The next prime is 515646464197. The reversal of 515646464159 is 951464646515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 515646464159 - 2⁸ = 515646463903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515646464119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257823232079 + 257823232080.

It is an arithmetic number, because the mean of its divisors is an integer number (257823232080).

Almost surely, 2^515646464159 is an apocalyptic number.

515646464159 is a deficient number, since it is larger than the sum of its proper divisors (1).

515646464159 is an equidigital number, since it uses as much as digits as its factorization.

515646464159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552000, while the sum is 56.

The spelling of 515646464159 in words is "five hundred fifteen billion, six hundred forty-six million, four hundred sixty-four thousand, one hundred fifty-nine".