992431459 has 2 divisors, whose sum is σ = 992431460. Its totient is φ = 992431458.

The previous prime is 992431421. The next prime is 992431463. The reversal of 992431459 is 954134299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 992431459 - 2⁷ = 992431331 is a prime.

It is not a weakly prime, because it can be changed into another prime (992431469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496215729 + 496215730.

It is an arithmetic number, because the mean of its divisors is an integer number (496215730).

Almost surely, 2^992431459 is an apocalyptic number.

992431459 is a deficient number, since it is larger than the sum of its proper divisors (1).

992431459 is an equidigital number, since it uses as much as digits as its factorization.

992431459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 992431459 is about 31502.8801699146. The cubic root of 992431459 is about 997.4707613450.

The spelling of 992431459 in words is "nine hundred ninety-two million, four hundred thirty-one thousand, four hundred fifty-nine".