499283979 has 4 divisors (see below), whose sum is σ = 665711976. Its totient is φ = 332855984.

The previous prime is 499283947. The next prime is 499283987. The reversal of 499283979 is 979382994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499283979 - 2⁵ = 499283947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499284979) 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, 83213994 + ... + 83213999.

It is an arithmetic number, because the mean of its divisors is an integer number (166427994).

Almost surely, 2^499283979 is an apocalyptic number.

499283979 is a deficient number, since it is larger than the sum of its proper divisors (166427997).

499283979 is a wasteful number, since it uses less digits than its factorization.

499283979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166427996.

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

The square root of 499283979 is about 22344.6633225923. The cubic root of 499283979 is about 793.3214741576.

The spelling of 499283979 in words is "four hundred ninety-nine million, two hundred eighty-three thousand, nine hundred seventy-nine".