670949179725 has 24 divisors (see below), whose sum is σ = 1210148340192. Its totient is φ = 325308692800.

The previous prime is 670949179697. The next prime is 670949179727. The reversal of 670949179725 is 527971949076.

It is not a de Polignac number, because 670949179725 - 2¹⁰ = 670949178701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670949179727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406635042 + ... + 406636691.

It is an arithmetic number, because the mean of its divisors is an integer number (50422847508).

Almost surely, 2^670949179725 is an apocalyptic number.

It is an amenable number.

670949179725 is a deficient number, since it is larger than the sum of its proper divisors (539199160467).

670949179725 is a wasteful number, since it uses less digits than its factorization.

670949179725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813271757 (or 813271752 counting only the distinct ones).

The product of its (nonzero) digits is 60011280, while the sum is 66.

The spelling of 670949179725 in words is "six hundred seventy billion, nine hundred forty-nine million, one hundred seventy-nine thousand, seven hundred twenty-five".