964645911 has 6 divisors (see below), whose sum is σ = 1393377440. Its totient is φ = 643097268.

The previous prime is 964645901. The next prime is 964645931. The reversal of 964645911 is 119546469.

It is a happy number.

It is not a de Polignac number, because 964645911 - 2²² = 960451607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964645901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53591431 + ... + 53591448.

Almost surely, 2^964645911 is an apocalyptic number.

964645911 is a deficient number, since it is larger than the sum of its proper divisors (428731529).

964645911 is a wasteful number, since it uses less digits than its factorization.

964645911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107182885 (or 107182882 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 964645911 is about 31058.7493470037. The cubic root of 964645911 is about 988.0736308476.

The spelling of 964645911 in words is "nine hundred sixty-four million, six hundred forty-five thousand, nine hundred eleven".