457949863 has 4 divisors (see below), whose sum is σ = 523371280. Its totient is φ = 392528448.

The previous prime is 457949827. The next prime is 457949867. The reversal of 457949863 is 368949754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368949754 = 2 ⋅184474877.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457949863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457949867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32710698 + ... + 32710711.

It is an arithmetic number, because the mean of its divisors is an integer number (130842820).

Almost surely, 2^457949863 is an apocalyptic number.

457949863 is a deficient number, since it is larger than the sum of its proper divisors (65421417).

457949863 is an equidigital number, since it uses as much as digits as its factorization.

457949863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65421416.

The product of its digits is 6531840, while the sum is 55.

The square root of 457949863 is about 21399.7631528949. The cubic root of 457949863 is about 770.7957495721.

The spelling of 457949863 in words is "four hundred fifty-seven million, nine hundred forty-nine thousand, eight hundred sixty-three".