456429427 has 2 divisors, whose sum is σ = 456429428. Its totient is φ = 456429426.

The previous prime is 456429397. The next prime is 456429439. The reversal of 456429427 is 724924654.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456429427 is a prime.

It is not a weakly prime, because it can be changed into another prime (456420427) 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, 228214713 + 228214714.

It is an arithmetic number, because the mean of its divisors is an integer number (228214714).

Almost surely, 2^456429427 is an apocalyptic number.

456429427 is a deficient number, since it is larger than the sum of its proper divisors (1).

456429427 is an equidigital number, since it uses as much as digits as its factorization.

456429427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The square root of 456429427 is about 21364.2090188240. The cubic root of 456429427 is about 769.9417659901.

The spelling of 456429427 in words is "four hundred fifty-six million, four hundred twenty-nine thousand, four hundred twenty-seven".