402673499 has 2 divisors, whose sum is σ = 402673500. Its totient is φ = 402673498.

The previous prime is 402673493. The next prime is 402673529. The reversal of 402673499 is 994376204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402673499 - 2⁴ = 402673483 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402673493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201336749 + 201336750.

It is an arithmetic number, because the mean of its divisors is an integer number (201336750).

Almost surely, 2^402673499 is an apocalyptic number.

402673499 is a deficient number, since it is larger than the sum of its proper divisors (1).

402673499 is an equidigital number, since it uses as much as digits as its factorization.

402673499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 402673499 is about 20066.7261654710. The cubic root of 402673499 is about 738.4441984507. Note that the first 3 decimals are identical.

The spelling of 402673499 in words is "four hundred two million, six hundred seventy-three thousand, four hundred ninety-nine".