457492709 has 2 divisors, whose sum is σ = 457492710. Its totient is φ = 457492708.

The previous prime is 457492669. The next prime is 457492723. The reversal of 457492709 is 907294754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364428100 + 93064609 = 19090^2 + 9647^2 .

It is a cyclic number.

It is not a de Polignac number, because 457492709 - 2²⁴ = 440715493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457492109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228746354 + 228746355.

It is an arithmetic number, because the mean of its divisors is an integer number (228746355).

Almost surely, 2^457492709 is an apocalyptic number.

It is an amenable number.

457492709 is a deficient number, since it is larger than the sum of its proper divisors (1).

457492709 is an equidigital number, since it uses as much as digits as its factorization.

457492709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 457492709 is about 21389.0791994419. The cubic root of 457492709 is about 770.5391787792.

The spelling of 457492709 in words is "four hundred fifty-seven million, four hundred ninety-two thousand, seven hundred nine".