451717718046 has 16 divisors (see below), whose sum is σ = 1032497641344. Its totient is φ = 129062205144.

The previous prime is 451717718033. The next prime is 451717718047. The reversal of 451717718046 is 640817717154.

It is a self number, because there is not a number n which added to its sum of digits gives 451717718046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451717718047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5377591840 + ... + 5377591923.

It is an arithmetic number, because the mean of its divisors is an integer number (64531102584).

Almost surely, 2^451717718046 is an apocalyptic number.

451717718046 is an abundant number, since it is smaller than the sum of its proper divisors (580779923298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451717718046 is a wasteful number, since it uses less digits than its factorization.

451717718046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10755183775.

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 451717718046 in words is "four hundred fifty-one billion, seven hundred seventeen million, seven hundred eighteen thousand, forty-six".