6999830081904 has 80 divisors (see below), whose sum is σ = 20363142104064. Its totient is φ = 2052736089600.

The previous prime is 6999830081891. The next prime is 6999830081927. The reversal of 6999830081904 is 4091800389996.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent 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, 213810309 + ... + 213843044.

Almost surely, 2^{6999830081904} is an apocalyptic number.

It is an amenable number.

6999830081904 is an abundant number, since it is smaller than the sum of its proper divisors (13363312022160).

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

6999830081904 is a wasteful number, since it uses less digits than its factorization.

6999830081904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427653406 (or 427653400 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 66.

The spelling of 6999830081904 in words is "six trillion, nine hundred ninety-nine billion, eight hundred thirty million, eighty-one thousand, nine hundred four".