70639392189 has 8 divisors (see below), whose sum is σ = 94259272032. Its totient is φ = 47056220240.

The previous prime is 70639392179. The next prime is 70639392217. The reversal of 70639392189 is 98129393607.

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 70639392189 - 2³⁵ = 36279653821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70639392149) 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, 9172482 + ... + 9180179.

It is an arithmetic number, because the mean of its divisors is an integer number (11782409004).

Almost surely, 2^70639392189 is an apocalyptic number.

It is an amenable number.

70639392189 is a deficient number, since it is larger than the sum of its proper divisors (23619879843).

70639392189 is a wasteful number, since it uses less digits than its factorization.

70639392189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18353947.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 70639392189 in words is "seventy billion, six hundred thirty-nine million, three hundred ninety-two thousand, one hundred eighty-nine".