494272979 has 2 divisors, whose sum is σ = 494272980. Its totient is φ = 494272978.

The previous prime is 494272927. The next prime is 494273053. The reversal of 494272979 is 979272494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494272979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494272979.

It is not a weakly prime, because it can be changed into another prime (494272279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247136489 + 247136490.

It is an arithmetic number, because the mean of its divisors is an integer number (247136490).

Almost surely, 2^494272979 is an apocalyptic number.

494272979 is a deficient number, since it is larger than the sum of its proper divisors (1).

494272979 is an equidigital number, since it uses as much as digits as its factorization.

494272979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 494272979 is about 22232.2508756986. The cubic root of 494272979 is about 790.6585221175.

The spelling of 494272979 in words is "four hundred ninety-four million, two hundred seventy-two thousand, nine hundred seventy-nine".