671713222635 has 384 divisors, whose sum is σ = 1536353521920. Its totient is φ = 279353733120.

The previous prime is 671713222627. The next prime is 671713222657. The reversal of 671713222635 is 536222317176.

671713222635 is a `hidden beast` number, since 6 + 7 + 1 + 7 + 1 + 3 + 2 + 2 + 2 + 635 = 666.

It is not a de Polignac number, because 671713222635 - 2³ = 671713222627 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 383 ways as a sum of consecutive naturals, for example, 508487775 + ... + 508489095.

It is an arithmetic number, because the mean of its divisors is an integer number (4000920630).

Almost surely, 2^671713222635 is an apocalyptic number.

671713222635 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

671713222635 is an abundant number, since it is smaller than the sum of its proper divisors (864640299285).

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

671713222635 is a wasteful number, since it uses less digits than its factorization.

671713222635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1422 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 671713222635 in words is "six hundred seventy-one billion, seven hundred thirteen million, two hundred twenty-two thousand, six hundred thirty-five".