6936688431 has 12 divisors (see below), whose sum is σ = 10028842408. Its totient is φ = 4620221424.

The previous prime is 6936688403. The next prime is 6936688481. The reversal of 6936688431 is 1348866396.

It is not a de Polignac number, because 6936688431 - 2⁷ = 6936688303 is a prime.

It is a super-2 number, since 2×6936688431² = 96235292777538483522, 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 (6936688481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342745 + ... + 362418.

Almost surely, 2^6936688431 is an apocalyptic number.

6936688431 is a deficient number, since it is larger than the sum of its proper divisors (3092153977).

6936688431 is a wasteful number, since it uses less digits than its factorization.

6936688431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706262 (or 706259 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 6936688431 is about 83286.7842517647. The cubic root of 6936688431 is about 1907.1465328068.

The spelling of 6936688431 in words is "six billion, nine hundred thirty-six million, six hundred eighty-eight thousand, four hundred thirty-one".