6698924990 has 16 divisors (see below), whose sum is σ = 12177453600. Its totient is φ = 2653039200.

The previous prime is 6698924989. The next prime is 6698925011. The reversal of 6698924990 is 994298966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315290 + ... + 3317309.

It is an arithmetic number, because the mean of its divisors is an integer number (761090850).

Almost surely, 2^6698924990 is an apocalyptic number.

6698924990 is a deficient number, since it is larger than the sum of its proper divisors (5478528610).

6698924990 is a wasteful number, since it uses less digits than its factorization.

6698924990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632707.

The product of its (nonzero) digits is 15116544, while the sum is 62.

The square root of 6698924990 is about 81846.9607865802. The cubic root of 6698924990 is about 1885.1027991227.

The spelling of 6698924990 in words is "six billion, six hundred ninety-eight million, nine hundred twenty-four thousand, nine hundred ninety".