964891141 has 2 divisors, whose sum is σ = 964891142. Its totient is φ = 964891140.

The previous prime is 964891139. The next prime is 964891189. The reversal of 964891141 is 141198469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964350916 + 540225 = 31054^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 964891141 - 2¹ = 964891139 is a prime.

Together with 964891139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964891441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482445570 + 482445571.

It is an arithmetic number, because the mean of its divisors is an integer number (482445571).

Almost surely, 2^964891141 is an apocalyptic number.

It is an amenable number.

964891141 is a deficient number, since it is larger than the sum of its proper divisors (1).

964891141 is an equidigital number, since it uses as much as digits as its factorization.

964891141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 43.

The square root of 964891141 is about 31062.6969370015. The cubic root of 964891141 is about 988.1573523333.

The spelling of 964891141 in words is "nine hundred sixty-four million, eight hundred ninety-one thousand, one hundred forty-one".