289970969139 has 6 divisors (see below), whose sum is σ = 418846955436. Its totient is φ = 193313979420.

The previous prime is 289970969077. The next prime is 289970969191. The reversal of 289970969139 is 931969079982.

It is not a de Polignac number, because 289970969139 - 2⁹ = 289970968627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289970969539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16109498277 + ... + 16109498294.

It is an arithmetic number, because the mean of its divisors is an integer number (69807825906).

Almost surely, 2^289970969139 is an apocalyptic number.

289970969139 is a deficient number, since it is larger than the sum of its proper divisors (128875986297).

289970969139 is a wasteful number, since it uses less digits than its factorization.

289970969139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32218996577 (or 32218996574 counting only the distinct ones).

The product of its (nonzero) digits is 119042784, while the sum is 72.

The spelling of 289970969139 in words is "two hundred eighty-nine billion, nine hundred seventy million, nine hundred sixty-nine thousand, one hundred thirty-nine".