979233289 has 2 divisors, whose sum is σ = 979233290. Its totient is φ = 979233288.

The previous prime is 979233287. The next prime is 979233313. The reversal of 979233289 is 982332979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 581629689 + 397603600 = 24117^2 + 19940^2 .

It is a cyclic number.

It is not a de Polignac number, because 979233289 - 2¹ = 979233287 is a prime.

Together with 979233287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (979233287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489616644 + 489616645.

It is an arithmetic number, because the mean of its divisors is an integer number (489616645).

Almost surely, 2^979233289 is an apocalyptic number.

It is an amenable number.

979233289 is a deficient number, since it is larger than the sum of its proper divisors (1).

979233289 is an equidigital number, since it uses as much as digits as its factorization.

979233289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 979233289 is about 31292.7034466503. The cubic root of 979233289 is about 993.0292850373.

The spelling of 979233289 in words is "nine hundred seventy-nine million, two hundred thirty-three thousand, two hundred eighty-nine".