980629589 has 2 divisors, whose sum is σ = 980629590. Its totient is φ = 980629588.

The previous prime is 980629579. The next prime is 980629609. The reversal of 980629589 is 985926089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 798514564 + 182115025 = 28258^2 + 13495^2 .

It is a cyclic number.

It is not a de Polignac number, because 980629589 - 2²⁰ = 979581013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980629549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490314794 + 490314795.

It is an arithmetic number, because the mean of its divisors is an integer number (490314795).

Almost surely, 2^980629589 is an apocalyptic number.

It is an amenable number.

980629589 is a deficient number, since it is larger than the sum of its proper divisors (1).

980629589 is an equidigital number, since it uses as much as digits as its factorization.

980629589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The square root of 980629589 is about 31315.0058119107. The cubic root of 980629589 is about 993.5010514990.

The spelling of 980629589 in words is "nine hundred eighty million, six hundred twenty-nine thousand, five hundred eighty-nine".