964161089 has 2 divisors, whose sum is σ = 964161090. Its totient is φ = 964161088.

The previous prime is 964161083. The next prime is 964161097. The reversal of 964161089 is 980161469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712462864 + 251698225 = 26692^2 + 15865^2 .

It is a cyclic number.

It is not a de Polignac number, because 964161089 - 2⁴ = 964161073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (964161083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482080544 + 482080545.

It is an arithmetic number, because the mean of its divisors is an integer number (482080545).

Almost surely, 2^964161089 is an apocalyptic number.

It is an amenable number.

964161089 is a deficient number, since it is larger than the sum of its proper divisors (1).

964161089 is an equidigital number, since it uses as much as digits as its factorization.

964161089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 964161089 is about 31050.9434478246. The cubic root of 964161089 is about 987.9080709240.

The spelling of 964161089 in words is "nine hundred sixty-four million, one hundred sixty-one thousand, eighty-nine".