672809986341 has 16 divisors (see below), whose sum is σ = 997987651200. Its totient is φ = 447985538784.

The previous prime is 672809986337. The next prime is 672809986349. The reversal of 672809986341 is 143689908276.

672809986341 is a `hidden beast` number, since 6 + 7 + 280 + 9 + 9 + 8 + 6 + 341 = 666.

It is not a de Polignac number, because 672809986341 - 2² = 672809986337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672809986349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15379201 + ... + 15422886.

It is an arithmetic number, because the mean of its divisors is an integer number (62374228200).

Almost surely, 2^672809986341 is an apocalyptic number.

It is an amenable number.

672809986341 is a deficient number, since it is larger than the sum of its proper divisors (325177664859).

672809986341 is a wasteful number, since it uses less digits than its factorization.

672809986341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30802905 (or 30802899 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 672809986341 in words is "six hundred seventy-two billion, eight hundred nine million, nine hundred eighty-six thousand, three hundred forty-one".