964813361 has 4 divisors (see below), whose sum is σ = 1006761792. Its totient is φ = 922864932.

The previous prime is 964813351. The next prime is 964813379. The reversal of 964813361 is 163318469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 964813361 - 2²² = 960619057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964813301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20974181 + ... + 20974226.

It is an arithmetic number, because the mean of its divisors is an integer number (251690448).

Almost surely, 2^964813361 is an apocalyptic number.

It is an amenable number.

964813361 is a deficient number, since it is larger than the sum of its proper divisors (41948431).

964813361 is a wasteful number, since it uses less digits than its factorization.

964813361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41948430.

The product of its digits is 93312, while the sum is 41.

The square root of 964813361 is about 31061.4449277557. Note that the first 3 decimals coincide. The cubic root of 964813361 is about 988.1307997891.

The spelling of 964813361 in words is "nine hundred sixty-four million, eight hundred thirteen thousand, three hundred sixty-one".