420683107635 has 48 divisors (see below), whose sum is σ = 882373991616. Its totient is φ = 180999788544.

The previous prime is 420683107613. The next prime is 420683107657. The reversal of 420683107635 is 536701386024.

420683107635 is a `hidden beast` number, since 4 + 2 + 0 + 6 + 8 + 3 + 1 + 0 + 7 + 635 = 666.

It is an interprime number because it is at equal distance from previous prime (420683107613) and next prime (420683107657).

It is not a de Polignac number, because 420683107635 - 2⁸ = 420683107379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39274114 + ... + 39284823.

It is an arithmetic number, because the mean of its divisors is an integer number (18382791492).

Almost surely, 2^420683107635 is an apocalyptic number.

420683107635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420683107635 is an abundant number, since it is smaller than the sum of its proper divisors (461690883981).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420683107635 is a wasteful number, since it uses less digits than its factorization.

420683107635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78558972 (or 78558969 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 420683107635 in words is "four hundred twenty billion, six hundred eighty-three million, one hundred seven thousand, six hundred thirty-five".