5165659304639 has 2 divisors, whose sum is σ = 5165659304640. Its totient is φ = 5165659304638.

The previous prime is 5165659304623. The next prime is 5165659304693. The reversal of 5165659304639 is 9364039565615.

Together with next prime (5165659304693) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5165659304639 - 2⁴ = 5165659304623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165659304609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582829652319 + 2582829652320.

It is an arithmetic number, because the mean of its divisors is an integer number (2582829652320).

Almost surely, 2^{5165659304639} is an apocalyptic number.

5165659304639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165659304639 is an equidigital number, since it uses as much as digits as its factorization.

5165659304639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732000, while the sum is 62.

The spelling of 5165659304639 in words is "five trillion, one hundred sixty-five billion, six hundred fifty-nine million, three hundred four thousand, six hundred thirty-nine".