6809530631 has 8 divisors (see below), whose sum is σ = 7219497600. Its totient is φ = 6404720760.

The previous prime is 6809530619. The next prime is 6809530639. The reversal of 6809530631 is 1360359086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6809530631 is a prime.

It is a super-2 number, since 2×6809530631² = 92739414829054516322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809530639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286555 + ... + 1291836.

It is an arithmetic number, because the mean of its divisors is an integer number (902437200).

Almost surely, 2^6809530631 is an apocalyptic number.

6809530631 is a deficient number, since it is larger than the sum of its proper divisors (409966969).

6809530631 is a wasteful number, since it uses less digits than its factorization.

6809530631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578549.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 6809530631 is about 82519.8802168302. The cubic root of 6809530631 is about 1895.4211654999.

The spelling of 6809530631 in words is "six billion, eight hundred nine million, five hundred thirty thousand, six hundred thirty-one".