450104978853 has 48 divisors (see below), whose sum is σ = 668082363520. Its totient is φ = 291921708672.

The previous prime is 450104978767. The next prime is 450104978867. The reversal of 450104978853 is 358879401054.

450104978853 is a `hidden beast` number, since 4 + 501 + 0 + 4 + 9 + 7 + 88 + 53 = 666.

It is not a de Polignac number, because 450104978853 - 2¹⁴ = 450104962469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450104978853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450104978353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23156943 + ... + 23176371.

Almost surely, 2^450104978853 is an apocalyptic number.

It is an amenable number.

450104978853 is a deficient number, since it is larger than the sum of its proper divisors (217977384667).

450104978853 is a wasteful number, since it uses less digits than its factorization.

450104978853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19978 (or 19975 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 450104978853 in words is "four hundred fifty billion, one hundred four million, nine hundred seventy-eight thousand, eight hundred fifty-three".