408913792479 has 16 divisors (see below), whose sum is σ = 618687536640. Its totient is φ = 266808998520.

The previous prime is 408913792471. The next prime is 408913792523. The reversal of 408913792479 is 974297319804.

408913792479 is a `hidden beast` number, since 4 + 0 + 8 + 91 + 3 + 79 + 2 + 479 = 666.

It is not a de Polignac number, because 408913792479 - 2³ = 408913792471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408913792471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161115277 + ... + 161117814.

It is an arithmetic number, because the mean of its divisors is an integer number (38667971040).

Almost surely, 2^408913792479 is an apocalyptic number.

408913792479 is a deficient number, since it is larger than the sum of its proper divisors (209773744161).

408913792479 is a wasteful number, since it uses less digits than its factorization.

408913792479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322233147 (or 322233141 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 408913792479 in words is "four hundred eight billion, nine hundred thirteen million, seven hundred ninety-two thousand, four hundred seventy-nine".