328693694090 has 32 divisors (see below), whose sum is σ = 642878000640. Its totient is φ = 120539620800.

The previous prime is 328693694057. The next prime is 328693694101. The reversal of 328693694090 is 90496396823.

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, 27896801 + ... + 27908580.

It is an arithmetic number, because the mean of its divisors is an integer number (20089937520).

Almost surely, 2^328693694090 is an apocalyptic number.

328693694090 is a deficient number, since it is larger than the sum of its proper divisors (314184306550).

328693694090 is a wasteful number, since it uses less digits than its factorization.

328693694090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55805438.

The product of its (nonzero) digits is 15116544, while the sum is 59.

The spelling of 328693694090 in words is "three hundred twenty-eight billion, six hundred ninety-three million, six hundred ninety-four thousand, ninety".