959952989 has 2 divisors, whose sum is σ = 959952990. Its totient is φ = 959952988.

The previous prime is 959952949. The next prime is 959953003. The reversal of 959952989 is 989259959.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550700089 + 409252900 = 23467^2 + 20230^2 .

It is a cyclic number.

It is not a de Polignac number, because 959952989 - 2⁸ = 959952733 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 (959952919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479976494 + 479976495.

It is an arithmetic number, because the mean of its divisors is an integer number (479976495).

Almost surely, 2^959952989 is an apocalyptic number.

It is an amenable number.

959952989 is a deficient number, since it is larger than the sum of its proper divisors (1).

959952989 is an equidigital number, since it uses as much as digits as its factorization.

959952989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23619600, while the sum is 65.

The square root of 959952989 is about 30983.1081236212. The cubic root of 959952989 is about 986.4687268171.

The spelling of 959952989 in words is "nine hundred fifty-nine million, nine hundred fifty-two thousand, nine hundred eighty-nine".