6906808431 has 24 divisors (see below), whose sum is σ = 10193492400. Its totient is φ = 4505314176.

The previous prime is 6906808429. The next prime is 6906808453. The reversal of 6906808431 is 1348086096.

It is not a de Polignac number, because 6906808431 - 2¹ = 6906808429 is a prime.

It is a super-2 number, since 2×6906808431² = 95408005405065363522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6906808411) 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 23 ways as a sum of consecutive naturals, for example, 51411 + ... + 128283.

It is an arithmetic number, because the mean of its divisors is an integer number (424728850).

Almost surely, 2^6906808431 is an apocalyptic number.

6906808431 is a deficient number, since it is larger than the sum of its proper divisors (3286683969).

6906808431 is a wasteful number, since it uses less digits than its factorization.

6906808431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77095 (or 77092 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 6906808431 is about 83107.2104633527. The cubic root of 6906808431 is about 1904.4042272787.

The spelling of 6906808431 in words is "six billion, nine hundred six million, eight hundred eight thousand, four hundred thirty-one".