455641189643 has 4 divisors (see below), whose sum is σ = 455686487568. Its totient is φ = 455595891720.

The previous prime is 455641189637. The next prime is 455641189673. The reversal of 455641189643 is 346981146554.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 455641189643 - 2²² = 455636995339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455641189673) 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, 22633871 + ... + 22653992.

It is an arithmetic number, because the mean of its divisors is an integer number (113921621892).

Almost surely, 2^455641189643 is an apocalyptic number.

455641189643 is a deficient number, since it is larger than the sum of its proper divisors (45297925).

455641189643 is a wasteful number, since it uses less digits than its factorization.

455641189643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45297924.

The product of its digits is 12441600, while the sum is 56.

The spelling of 455641189643 in words is "four hundred fifty-five billion, six hundred forty-one million, one hundred eighty-nine thousand, six hundred forty-three".