455643694 has 8 divisors (see below), whose sum is σ = 745598808. Its totient is φ = 207110760.

The previous prime is 455643667. The next prime is 455643743. The reversal of 455643694 is 496346554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×455643694² = 415222351763931272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 10355517 + ... + 10355560.

It is an arithmetic number, because the mean of its divisors is an integer number (93199851).

Almost surely, 2^455643694 is an apocalyptic number.

455643694 is a deficient number, since it is larger than the sum of its proper divisors (289955114).

455643694 is a wasteful number, since it uses less digits than its factorization.

455643694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20711090.

The product of its digits is 1555200, while the sum is 46.

The square root of 455643694 is about 21345.8120951160. The cubic root of 455643694 is about 769.4996997422.

The spelling of 455643694 in words is "four hundred fifty-five million, six hundred forty-three thousand, six hundred ninety-four".