6698794520 has 64 divisors (see below), whose sum is σ = 16602243840. Its totient is φ = 2412259200.

The previous prime is 6698794513. The next prime is 6698794559. The reversal of 6698794520 is 254978966.

It is a happy number.

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, 28586 + ... + 119225.

It is an arithmetic number, because the mean of its divisors is an integer number (259410060).

Almost surely, 2^6698794520 is an apocalyptic number.

It is an amenable number.

6698794520 is an abundant number, since it is smaller than the sum of its proper divisors (9903449320).

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

6698794520 is a wasteful number, since it uses less digits than its factorization.

6698794520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147936 (or 147932 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 6698794520 is about 81846.1637463846. The cubic root of 6698794520 is about 1885.0905607930.

The spelling of 6698794520 in words is "six billion, six hundred ninety-eight million, seven hundred ninety-four thousand, five hundred twenty".