457989437 has 2 divisors, whose sum is σ = 457989438. Its totient is φ = 457989436.

The previous prime is 457989383. The next prime is 457989439. The reversal of 457989437 is 734989754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230402041 + 227587396 = 15179^2 + 15086^2 .

It is a cyclic number.

It is not a de Polignac number, because 457989437 - 2¹⁰ = 457988413 is a prime.

Together with 457989439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457989439) 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, 228994718 + 228994719.

It is an arithmetic number, because the mean of its divisors is an integer number (228994719).

Almost surely, 2^457989437 is an apocalyptic number.

It is an amenable number.

457989437 is a deficient number, since it is larger than the sum of its proper divisors (1).

457989437 is an equidigital number, since it uses as much as digits as its factorization.

457989437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 457989437 is about 21400.6877693218. The cubic root of 457989437 is about 770.8179518515.

The spelling of 457989437 in words is "four hundred fifty-seven million, nine hundred eighty-nine thousand, four hundred thirty-seven".