455669845985 has 4 divisors (see below), whose sum is σ = 546803815188. Its totient is φ = 364535876784.

The previous prime is 455669845973. The next prime is 455669846039. The reversal of 455669845985 is 589548966554.

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

It can be written as a sum of positive squares in 2 ways, for example, as 284548631761 + 171121214224 = 533431^2 + 413668^2 .

It is a cyclic number.

It is not a de Polignac number, because 455669845985 - 2²⁴ = 455653068769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45566984594 + ... + 45566984603.

It is an arithmetic number, because the mean of its divisors is an integer number (136700953797).

Almost surely, 2^455669845985 is an apocalyptic number.

It is an amenable number.

455669845985 is a deficient number, since it is larger than the sum of its proper divisors (91133969203).

455669845985 is an equidigital number, since it uses as much as digits as its factorization.

455669845985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91133969202.

The product of its digits is 1866240000, while the sum is 74.

The spelling of 455669845985 in words is "four hundred fifty-five billion, six hundred sixty-nine million, eight hundred forty-five thousand, nine hundred eighty-five".