4475420088021 has 6 divisors (see below), whose sum is σ = 6464495682710. Its totient is φ = 2983613392008.

The previous prime is 4475420088011. The next prime is 4475420088023. The reversal of 4475420088021 is 1208800245744.

4475420088021 is a `hidden beast` number, since 4 + 4 + 7 + 542 + 0 + 0 + 8 + 80 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4037242285521 + 438177802500 = 2009289^2 + 661950^2 .

It is not a de Polignac number, because 4475420088021 - 2²⁹ = 4474883217109 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 (4475420088023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248634449326 + ... + 248634449343.

Almost surely, 2^{4475420088021} is an apocalyptic number.

It is an amenable number.

4475420088021 is a deficient number, since it is larger than the sum of its proper divisors (1989075594689).

4475420088021 is a wasteful number, since it uses less digits than its factorization.

4475420088021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497268898675 (or 497268898672 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 4475420088021 in words is "four trillion, four hundred seventy-five billion, four hundred twenty million, eighty-eight thousand, twenty-one".