671189536995 has 64 divisors (see below), whose sum is σ = 1141735257600. Its totient is φ = 336680406144.

The previous prime is 671189536967. The next prime is 671189537017. The reversal of 671189536995 is 599635981176.

It is not a de Polignac number, because 671189536995 - 2⁹ = 671189536483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14277549 + ... + 14324481.

It is an arithmetic number, because the mean of its divisors is an integer number (17839613400).

Almost surely, 2^671189536995 is an apocalyptic number.

671189536995 is a deficient number, since it is larger than the sum of its proper divisors (470545720605).

671189536995 is a wasteful number, since it uses less digits than its factorization.

671189536995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47137 (or 47099 counting only the distinct ones).

The product of its digits is 110224800, while the sum is 69.

The spelling of 671189536995 in words is "six hundred seventy-one billion, one hundred eighty-nine million, five hundred thirty-six thousand, nine hundred ninety-five".