409929917604 has 12 divisors (see below), whose sum is σ = 956503141104. Its totient is φ = 136643305864.

The previous prime is 409929917597. The next prime is 409929917641. The reversal of 409929917604 is 406719929904.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17080413222 + ... + 17080413245.

It is an arithmetic number, because the mean of its divisors is an integer number (79708595092).

Almost surely, 2^409929917604 is an apocalyptic number.

It is an amenable number.

409929917604 is an abundant number, since it is smaller than the sum of its proper divisors (546573223500).

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

409929917604 is a wasteful number, since it uses less digits than its factorization.

409929917604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34160826474 (or 34160826472 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 409929917604 in words is "four hundred nine billion, nine hundred twenty-nine million, nine hundred seventeen thousand, six hundred four".