499962391 has 2 divisors, whose sum is σ = 499962392. Its totient is φ = 499962390.

The previous prime is 499962377. The next prime is 499962433. The reversal of 499962391 is 193269994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499962391 - 2⁷ = 499962263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499962301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249981195 + 249981196.

It is an arithmetic number, because the mean of its divisors is an integer number (249981196).

Almost surely, 2^499962391 is an apocalyptic number.

499962391 is a deficient number, since it is larger than the sum of its proper divisors (1).

499962391 is an equidigital number, since it uses as much as digits as its factorization.

499962391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 52.

The square root of 499962391 is about 22359.8387963778. The cubic root of 499962391 is about 793.6806252964.

The spelling of 499962391 in words is "four hundred ninety-nine million, nine hundred sixty-two thousand, three hundred ninety-one".