1457633379 has 4 divisors (see below), whose sum is σ = 1943511176. Its totient is φ = 971755584.

The previous prime is 1457633377. The next prime is 1457633399. The reversal of 1457633379 is 9733367541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1457633379 - 2¹ = 1457633377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457633371) 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, 242938894 + ... + 242938899.

It is an arithmetic number, because the mean of its divisors is an integer number (485877794).

Almost surely, 2^1457633379 is an apocalyptic number.

1457633379 is a deficient number, since it is larger than the sum of its proper divisors (485877797).

1457633379 is an equidigital number, since it uses as much as digits as its factorization.

1457633379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485877796.

The product of its digits is 1428840, while the sum is 48.

The square root of 1457633379 is about 38178.9651378871. The cubic root of 1457633379 is about 1133.8338930047.

The spelling of 1457633379 in words is "one billion, four hundred fifty-seven million, six hundred thirty-three thousand, three hundred seventy-nine".