457922389 has 2 divisors, whose sum is σ = 457922390. Its totient is φ = 457922388.

The previous prime is 457922347. The next prime is 457922431. The reversal of 457922389 is 983229754.

It is a balanced prime because it is at equal distance from previous prime (457922347) and next prime (457922431).

It can be written as a sum of positive squares in only one way, i.e., 304781764 + 153140625 = 17458^2 + 12375^2 .

It is a cyclic number.

It is not a de Polignac number, because 457922389 - 2⁷ = 457922261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457925389) 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, 228961194 + 228961195.

It is an arithmetic number, because the mean of its divisors is an integer number (228961195).

Almost surely, 2^457922389 is an apocalyptic number.

It is an amenable number.

457922389 is a deficient number, since it is larger than the sum of its proper divisors (1).

457922389 is an equidigital number, since it uses as much as digits as its factorization.

457922389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 457922389 is about 21399.1212202744. The cubic root of 457922389 is about 770.7803350274.

The spelling of 457922389 in words is "four hundred fifty-seven million, nine hundred twenty-two thousand, three hundred eighty-nine".