6739992531 has 32 divisors (see below), whose sum is σ = 10548876800. Its totient is φ = 4241380320.

The previous prime is 6739992527. The next prime is 6739992593. The reversal of 6739992531 is 1352999376.

It is a happy number.

It is not a de Polignac number, because 6739992531 - 2² = 6739992527 is a prime.

It is a super-2 number, since 2×6739992531² = 90854998635871571922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6739992331) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 118386 + ... + 165816.

It is an arithmetic number, because the mean of its divisors is an integer number (329652400).

Almost surely, 2^6739992531 is an apocalyptic number.

6739992531 is a deficient number, since it is larger than the sum of its proper divisors (3808884269).

6739992531 is a wasteful number, since it uses less digits than its factorization.

6739992531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47736 (or 47730 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 6739992531 is about 82097.4575184884. The cubic root of 6739992531 is about 1888.9471409818.

The spelling of 6739992531 in words is "six billion, seven hundred thirty-nine million, nine hundred ninety-two thousand, five hundred thirty-one".