670538784189 has 8 divisors (see below), whose sum is σ = 924881081760. Its totient is φ = 431611171376.

The previous prime is 670538784173. The next prime is 670538784193. The reversal of 670538784189 is 981487835076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670538784189 - 2⁴ = 670538784173 is a prime.

It is a super-2 number, since 2×670538784189² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670538784109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3853671087 + ... + 3853671260.

It is an arithmetic number, because the mean of its divisors is an integer number (115610135220).

Almost surely, 2^670538784189 is an apocalyptic number.

It is an amenable number.

670538784189 is a deficient number, since it is larger than the sum of its proper divisors (254342297571).

670538784189 is a wasteful number, since it uses less digits than its factorization.

670538784189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707342379.

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 670538784189 in words is "six hundred seventy billion, five hundred thirty-eight million, seven hundred eighty-four thousand, one hundred eighty-nine".