672182432409 has 16 divisors (see below), whose sum is σ = 910655149824. Its totient is φ = 440958690000.

The previous prime is 672182432371. The next prime is 672182432417. The reversal of 672182432409 is 904234281276.

It is a de Polignac number, because none of the positive numbers 2^k-672182432409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672182432429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5315047 + ... + 5440044.

It is an arithmetic number, because the mean of its divisors is an integer number (56915946864).

Almost surely, 2^672182432409 is an apocalyptic number.

It is an amenable number.

672182432409 is a deficient number, since it is larger than the sum of its proper divisors (238472717415).

672182432409 is a wasteful number, since it uses less digits than its factorization.

672182432409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10755428.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 672182432409 in words is "six hundred seventy-two billion, one hundred eighty-two million, four hundred thirty-two thousand, four hundred nine".