6436397731695 has 16 divisors (see below), whose sum is σ = 10298276576352. Its totient is φ = 3432732055040.

The previous prime is 6436397731663. The next prime is 6436397731733. The reversal of 6436397731695 is 5961377936346.

It is not a de Polignac number, because 6436397731695 - 2⁵ = 6436397731663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4054075 + ... + 5413715.

It is an arithmetic number, because the mean of its divisors is an integer number (643642286022).

Almost surely, 2^{6436397731695} is an apocalyptic number.

6436397731695 is a deficient number, since it is larger than the sum of its proper divisors (3861878844657).

6436397731695 is a wasteful number, since it uses less digits than its factorization.

6436397731695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675242.

The product of its digits is 462944160, while the sum is 69.

The spelling of 6436397731695 in words is "six trillion, four hundred thirty-six billion, three hundred ninety-seven million, seven hundred thirty-one thousand, six hundred ninety-five".