6929252492639 has 2 divisors, whose sum is σ = 6929252492640. Its totient is φ = 6929252492638.

The previous prime is 6929252492633. The next prime is 6929252492693. The reversal of 6929252492639 is 9362942529296.

Together with next prime (6929252492693) 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 6929252492639 - 2²⁸ = 6928984057183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6929252492633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464626246319 + 3464626246320.

It is an arithmetic number, because the mean of its divisors is an integer number (3464626246320).

Almost surely, 2^{6929252492639} is an apocalyptic number.

6929252492639 is a deficient number, since it is larger than the sum of its proper divisors (1).

6929252492639 is an equidigital number, since it uses as much as digits as its factorization.

6929252492639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226748160, while the sum is 68.

The spelling of 6929252492639 in words is "six trillion, nine hundred twenty-nine billion, two hundred fifty-two million, four hundred ninety-two thousand, six hundred thirty-nine".