496027921979 has 4 divisors (see below), whose sum is σ = 512028822720. Its totient is φ = 480027021240.

The previous prime is 496027921943. The next prime is 496027921981. The reversal of 496027921979 is 979129720694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979129720694 = 2 ⋅489564860347.

It is a cyclic number.

It is not a de Polignac number, because 496027921979 - 2²⁰ = 496026873403 is a prime.

It is a super-2 number, since 2×496027921979² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (496027921999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8000450324 + ... + 8000450385.

It is an arithmetic number, because the mean of its divisors is an integer number (128007205680).

Almost surely, 2^496027921979 is an apocalyptic number.

496027921979 is a deficient number, since it is larger than the sum of its proper divisors (16000900741).

496027921979 is a wasteful number, since it uses less digits than its factorization.

496027921979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000900740.

The product of its (nonzero) digits is 30862944, while the sum is 65.

The spelling of 496027921979 in words is "four hundred ninety-six billion, twenty-seven million, nine hundred twenty-one thousand, nine hundred seventy-nine".