965646433 has 4 divisors (see below), whose sum is σ = 967177408. Its totient is φ = 964115460.

The previous prime is 965646389. The next prime is 965646439. The reversal of 965646433 is 334646569.

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: 334646569 = 5651 ⋅59219.

It is a cyclic number.

It is not a de Polignac number, because 965646433 - 2¹³ = 965638241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (965646439) 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, 764541 + ... + 765802.

It is an arithmetic number, because the mean of its divisors is an integer number (241794352).

Almost surely, 2^965646433 is an apocalyptic number.

It is an amenable number.

965646433 is a deficient number, since it is larger than the sum of its proper divisors (1530975).

965646433 is a wasteful number, since it uses less digits than its factorization.

965646433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530974.

The product of its digits is 1399680, while the sum is 46.

The square root of 965646433 is about 31074.8520994067. The cubic root of 965646433 is about 988.4151198180.

The spelling of 965646433 in words is "nine hundred sixty-five million, six hundred forty-six thousand, four hundred thirty-three".