493779388079 has 32 divisors (see below), whose sum is σ = 531953184000. Its totient is φ = 457391660544.

The previous prime is 493779388073. The next prime is 493779388177. The reversal of 493779388079 is 970883977394.

It is a cyclic number.

It is not a de Polignac number, because 493779388079 - 2¹² = 493779383983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493779387997 and 493779388015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493779388073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72302837 + ... + 72309665.

It is an arithmetic number, because the mean of its divisors is an integer number (16623537000).

Almost surely, 2^493779388079 is an apocalyptic number.

493779388079 is a deficient number, since it is larger than the sum of its proper divisors (38173795921).

493779388079 is a wasteful number, since it uses less digits than its factorization.

493779388079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7827.

The product of its (nonzero) digits is 576108288, while the sum is 74.

The spelling of 493779388079 in words is "four hundred ninety-three billion, seven hundred seventy-nine million, three hundred eighty-eight thousand, seventy-nine".