6704487631931 has 4 divisors (see below), whose sum is σ = 6704601737832. Its totient is φ = 6704373526032.

The previous prime is 6704487631909. The next prime is 6704487631939. The reversal of 6704487631931 is 1391367844076.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6704487631931 - 2⁴² = 2306441120827 is a prime.

It is a super-2 number, since 2×6704487631931² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6704487631939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56964770 + ... + 57082343.

It is an arithmetic number, because the mean of its divisors is an integer number (1676150434458).

Almost surely, 2^{6704487631931} is an apocalyptic number.

6704487631931 is a deficient number, since it is larger than the sum of its proper divisors (114105901).

6704487631931 is a wasteful number, since it uses less digits than its factorization.

6704487631931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114105900.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 6704487631931 in words is "six trillion, seven hundred four billion, four hundred eighty-seven million, six hundred thirty-one thousand, nine hundred thirty-one".