402464663 has 2 divisors, whose sum is σ = 402464664. Its totient is φ = 402464662.

The previous prime is 402464659. The next prime is 402464677. The reversal of 402464663 is 366464204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402464663 - 2² = 402464659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402464683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201232331 + 201232332.

It is an arithmetic number, because the mean of its divisors is an integer number (201232332).

Almost surely, 2^402464663 is an apocalyptic number.

402464663 is a deficient number, since it is larger than the sum of its proper divisors (1).

402464663 is an equidigital number, since it uses as much as digits as its factorization.

402464663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 402464663 is about 20061.5219512379. The cubic root of 402464663 is about 738.3165181669.

The spelling of 402464663 in words is "four hundred two million, four hundred sixty-four thousand, six hundred sixty-three".