964431053 has 4 divisors (see below), whose sum is σ = 964497408. Its totient is φ = 964364700.

The previous prime is 964431043. The next prime is 964431077. The reversal of 964431053 is 350134469.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 964431053 - 2²⁰ = 963382477 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 (964431043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923 + ... + 43928.

It is an arithmetic number, because the mean of its divisors is an integer number (241124352).

Almost surely, 2^964431053 is an apocalyptic number.

It is an amenable number.

964431053 is a deficient number, since it is larger than the sum of its proper divisors (66355).

964431053 is a wasteful number, since it uses less digits than its factorization.

964431053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66354.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 964431053 is about 31055.2902578611. The cubic root of 964431053 is about 988.0002666956. Note that the first 3 decimals are identical.

The spelling of 964431053 in words is "nine hundred sixty-four million, four hundred thirty-one thousand, fifty-three".