1056635458 has 4 divisors (see below), whose sum is σ = 1584953190. Its totient is φ = 528317728.

The previous prime is 1056635449. The next prime is 1056635471. The reversal of 1056635458 is 8545366501.

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

It can be written as a sum of positive squares in only one way, i.e., 852231249 + 204404209 = 29193^2 + 14297^2 .

It is a super-2 number, since 2×1056635458² = 2232956982205739528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264158863 + ... + 264158866.

Almost surely, 2^1056635458 is an apocalyptic number.

1056635458 is a deficient number, since it is larger than the sum of its proper divisors (528317732).

1056635458 is an equidigital number, since it uses as much as digits as its factorization.

1056635458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528317731.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 1056635458 is about 32505.9295821547. The cubic root of 1056635458 is about 1018.5328959475.

The spelling of 1056635458 in words is "one billion, fifty-six million, six hundred thirty-five thousand, four hundred fifty-eight".