672894690589 has 32 divisors (see below), whose sum is σ = 782011929600. Its totient is φ = 572554604160.

The previous prime is 672894690577. The next prime is 672894690599. The reversal of 672894690589 is 985096498276.

672894690589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-672894690589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672894690529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24223222 + ... + 24250984.

It is an arithmetic number, because the mean of its divisors is an integer number (24437872800).

Almost surely, 2^672894690589 is an apocalyptic number.

It is an amenable number.

672894690589 is a deficient number, since it is larger than the sum of its proper divisors (109117239011).

672894690589 is a wasteful number, since it uses less digits than its factorization.

672894690589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29185.

The product of its (nonzero) digits is 470292480, while the sum is 73.

The spelling of 672894690589 in words is "six hundred seventy-two billion, eight hundred ninety-four million, six hundred ninety thousand, five hundred eighty-nine".