457368643 has 2 divisors, whose sum is σ = 457368644. Its totient is φ = 457368642.

The previous prime is 457368631. The next prime is 457368673. The reversal of 457368643 is 346863754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457368643 is a prime.

It is a super-2 number, since 2×457368643² = 418372151199322898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 457368593 and 457368602.

It is not a weakly prime, because it can be changed into another prime (457368623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228684321 + 228684322.

It is an arithmetic number, because the mean of its divisors is an integer number (228684322).

Almost surely, 2^457368643 is an apocalyptic number.

457368643 is a deficient number, since it is larger than the sum of its proper divisors (1).

457368643 is an equidigital number, since it uses as much as digits as its factorization.

457368643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 46.

The square root of 457368643 is about 21386.1787844393. The cubic root of 457368643 is about 770.4695191213.

The spelling of 457368643 in words is "four hundred fifty-seven million, three hundred sixty-eight thousand, six hundred forty-three".