450404781378703 has 16 divisors (see below), whose sum is σ = 456874783174656. Its totient is φ = 443938301765280.

The previous prime is 450404781378641. The next prime is 450404781378731. The reversal of 450404781378703 is 307873187404054.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 450404781378703 - 2²⁵ = 450404747824271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450404781378403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5328741400 + ... + 5328825922.

It is an arithmetic number, because the mean of its divisors is an integer number (28554673948416).

Almost surely, 2^{450404781378703} is an apocalyptic number.

450404781378703 is a deficient number, since it is larger than the sum of its proper divisors (6470001795953).

450404781378703 is a wasteful number, since it uses less digits than its factorization.

450404781378703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104454.

The product of its (nonzero) digits is 63221760, while the sum is 61.

The spelling of 450404781378703 in words is "four hundred fifty trillion, four hundred four billion, seven hundred eighty-one million, three hundred seventy-eight thousand, seven hundred three".