499999992979 has 2 divisors, whose sum is σ = 499999992980. Its totient is φ = 499999992978.

The previous prime is 499999992949. The next prime is 499999993043. The reversal of 499999992979 is 979299999994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499999992979 - 2⁷ = 499999992851 is a prime.

It is not a weakly prime, because it can be changed into another prime (499999992949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249999996489 + 249999996490.

It is an arithmetic number, because the mean of its divisors is an integer number (249999996490).

Almost surely, 2^499999992979 is an apocalyptic number.

499999992979 is a deficient number, since it is larger than the sum of its proper divisors (1).

499999992979 is an equidigital number, since it uses as much as digits as its factorization.

499999992979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21695547384, while the sum is 94.

The spelling of 499999992979 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-two thousand, nine hundred seventy-nine".