455454704421 has 12 divisors (see below), whose sum is σ = 665270917740. Its totient is φ = 300224823360.

The previous prime is 455454704401. The next prime is 455454704437. The reversal of 455454704421 is 124407454554.

455454704421 is a `hidden beast` number, since 4 + 5 + 545 + 47 + 0 + 44 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114947443521 + 340507260900 = 339039^2 + 583530^2 .

It is not a de Polignac number, because 455454704421 - 2³³ = 446864769829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455454704401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284303010 + ... + 284304611.

It is an arithmetic number, because the mean of its divisors is an integer number (55439243145).

Almost surely, 2^455454704421 is an apocalyptic number.

It is an amenable number.

455454704421 is a deficient number, since it is larger than the sum of its proper divisors (209816213319).

455454704421 is a wasteful number, since it uses less digits than its factorization.

455454704421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568607716 (or 568607713 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 45.

The spelling of 455454704421 in words is "four hundred fifty-five billion, four hundred fifty-four million, seven hundred four thousand, four hundred twenty-one".