457432439 has 2 divisors, whose sum is σ = 457432440. Its totient is φ = 457432438.

The previous prime is 457432421. The next prime is 457432477. The reversal of 457432439 is 934234754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457432439 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 457432396 and 457432405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457432489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228716219 + 228716220.

It is an arithmetic number, because the mean of its divisors is an integer number (228716220).

Almost surely, 2^457432439 is an apocalyptic number.

457432439 is a deficient number, since it is larger than the sum of its proper divisors (1).

457432439 is an equidigital number, since it uses as much as digits as its factorization.

457432439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

The square root of 457432439 is about 21387.6702564819. The cubic root of 457432439 is about 770.5053403996.

The spelling of 457432439 in words is "four hundred fifty-seven million, four hundred thirty-two thousand, four hundred thirty-nine".