6859618402 has 32 divisors (see below), whose sum is σ = 12738902400. Its totient is φ = 2713683024.

The previous prime is 6859618399. The next prime is 6859618429. The reversal of 6859618402 is 2048169586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80752 + ... + 142267.

It is an arithmetic number, because the mean of its divisors is an integer number (398090700).

Almost surely, 2^6859618402 is an apocalyptic number.

6859618402 is a deficient number, since it is larger than the sum of its proper divisors (5879283998).

6859618402 is a wasteful number, since it uses less digits than its factorization.

6859618402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223067 (or 223041 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 6859618402 is about 82822.8132944058. The cubic root of 6859618402 is about 1900.0570991151.

The spelling of 6859618402 in words is "six billion, eight hundred fifty-nine million, six hundred eighteen thousand, four hundred two".