6351378731536 has 20 divisors (see below), whose sum is σ = 12427635862764. Its totient is φ = 3144246896000.

The previous prime is 6351378731479. The next prime is 6351378731587.

6351378731536 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 4800218083600 + 1551160647936 = 2190940^2 + 1245456^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965152695 + ... + 1965155926.

Almost surely, 2^{6351378731536} is an apocalyptic number.

It is an amenable number.

6351378731536 is a deficient number, since it is larger than the sum of its proper divisors (6076257131228).

6351378731536 is a wasteful number, since it uses less digits than its factorization.

6351378731536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930308730 (or 3930308724 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 58.

The spelling of 6351378731536 in words is "six trillion, three hundred fifty-one billion, three hundred seventy-eight million, seven hundred thirty-one thousand, five hundred thirty-six".