6859899930 has 32 divisors (see below), whose sum is σ = 17730203904. Its totient is φ = 1688590656.

The previous prime is 6859899923. The next prime is 6859899947. The reversal of 6859899930 is 399989586.

It is a super-2 number, since 2×6859899930² = 94116454099228009800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8794354 + ... + 8795133.

It is an arithmetic number, because the mean of its divisors is an integer number (554068872).

Almost surely, 2^6859899930 is an apocalyptic number.

6859899930 is an abundant number, since it is smaller than the sum of its proper divisors (10870303974).

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

6859899930 is a wasteful number, since it uses less digits than its factorization.

6859899930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17589510.

The product of its (nonzero) digits is 37791360, while the sum is 66.

The square root of 6859899930 is about 82824.5128570039. The cubic root of 6859899930 is about 1900.0830923956.

The spelling of 6859899930 in words is "six billion, eight hundred fifty-nine million, eight hundred ninety-nine thousand, nine hundred thirty".