6899406294 has 32 divisors (see below), whose sum is σ = 15077736576. Its totient is φ = 2087328320.

The previous prime is 6899406263. The next prime is 6899406329. The reversal of 6899406294 is 4926049986.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 43992 + ... + 125435.

It is an arithmetic number, because the mean of its divisors is an integer number (471179268).

Almost surely, 2^6899406294 is an apocalyptic number.

6899406294 is an abundant number, since it is smaller than the sum of its proper divisors (8178330282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6899406294 is a wasteful number, since it uses less digits than its factorization.

6899406294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170060.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The square root of 6899406294 is about 83062.6648621389. The cubic root of 6899406294 is about 1903.7236572775.

The spelling of 6899406294 in words is "six billion, eight hundred ninety-nine million, four hundred six thousand, two hundred ninety-four".