70690289789 has 4 divisors (see below), whose sum is σ = 80788902624. Its totient is φ = 60591676956.

The previous prime is 70690289753. The next prime is 70690289843. The reversal of 70690289789 is 98798209607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70690289789 - 2²⁴ = 70673512573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70690229789) 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 3 ways as a sum of consecutive naturals, for example, 5049306407 + ... + 5049306420.

It is an arithmetic number, because the mean of its divisors is an integer number (20197225656).

Almost surely, 2^70690289789 is an apocalyptic number.

It is an amenable number.

70690289789 is a deficient number, since it is larger than the sum of its proper divisors (10098612835).

70690289789 is a wasteful number, since it uses less digits than its factorization.

70690289789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098612834.

The product of its (nonzero) digits is 27433728, while the sum is 65.

The spelling of 70690289789 in words is "seventy billion, six hundred ninety million, two hundred eighty-nine thousand, seven hundred eighty-nine".