671043402625 has 16 divisors (see below), whose sum is σ = 864477080064. Its totient is φ = 519517470000.

The previous prime is 671043402613. The next prime is 671043402643. The reversal of 671043402625 is 526204340176.

It is not a de Polignac number, because 671043402625 - 2²⁵ = 671009848193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86582371 + ... + 86590120.

It is an arithmetic number, because the mean of its divisors is an integer number (54029817504).

Almost surely, 2^671043402625 is an apocalyptic number.

It is an amenable number.

671043402625 is a deficient number, since it is larger than the sum of its proper divisors (193433677439).

671043402625 is a wasteful number, since it uses less digits than its factorization.

671043402625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173172537 (or 173172527 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 671043402625 in words is "six hundred seventy-one billion, forty-three million, four hundred two thousand, six hundred twenty-five".