420613604635 has 48 divisors (see below), whose sum is σ = 594517128192. Its totient is φ = 284813088000.

The previous prime is 420613604623. The next prime is 420613604647. The reversal of 420613604635 is 536406316024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420613604623) and next prime (420613604647).

It is not a de Polignac number, because 420613604635 - 2²⁵ = 420580050203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9455145 + ... + 9499525.

It is an arithmetic number, because the mean of its divisors is an integer number (12385773504).

Almost surely, 2^420613604635 is an apocalyptic number.

420613604635 is a deficient number, since it is larger than the sum of its proper divisors (173903523557).

420613604635 is a wasteful number, since it uses less digits than its factorization.

420613604635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44884 (or 44877 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 420613604635 in words is "four hundred twenty billion, six hundred thirteen million, six hundred four thousand, six hundred thirty-five".