965433889 has 4 divisors (see below), whose sum is σ = 1103353024. Its totient is φ = 827514756.

The previous prime is 965433883. The next prime is 965433907. The reversal of 965433889 is 988334569.

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 an emirpimes, since its reverse is a distinct semiprime: 988334569 = 5861 ⋅168629.

It is a cyclic number.

It is not a de Polignac number, because 965433889 - 2³ = 965433881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (965433881) 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, 68959557 + ... + 68959570.

It is an arithmetic number, because the mean of its divisors is an integer number (275838256).

Almost surely, 2^965433889 is an apocalyptic number.

It is an amenable number.

965433889 is a deficient number, since it is larger than the sum of its proper divisors (137919135).

965433889 is a wasteful number, since it uses less digits than its factorization.

965433889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137919134.

The product of its digits is 5598720, while the sum is 55.

The square root of 965433889 is about 31071.4320397371. The cubic root of 965433889 is about 988.3425959931.

The spelling of 965433889 in words is "nine hundred sixty-five million, four hundred thirty-three thousand, eight hundred eighty-nine".