6516630634139 has 2 divisors, whose sum is σ = 6516630634140. Its totient is φ = 6516630634138.

The previous prime is 6516630634121. The next prime is 6516630634201. The reversal of 6516630634139 is 9314360366156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6516630634139 - 2²⁰ = 6516629585563 is a prime.

It is not a weakly prime, because it can be changed into another prime (6516630634109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258315317069 + 3258315317070.

It is an arithmetic number, because the mean of its divisors is an integer number (3258315317070).

Almost surely, 2^{6516630634139} is an apocalyptic number.

6516630634139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6516630634139 is an equidigital number, since it uses as much as digits as its factorization.

6516630634139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 53.

The spelling of 6516630634139 in words is "six trillion, five hundred sixteen billion, six hundred thirty million, six hundred thirty-four thousand, one hundred thirty-nine".