973640735233 has 4 divisors (see below), whose sum is σ = 973667368960. Its totient is φ = 973614101508.

The previous prime is 973640735183. The next prime is 973640735267. The reversal of 973640735233 is 332537046379.

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 973640735233 - 2²¹ = 973638638081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973640735273) 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, 13261953 + ... + 13335166.

It is an arithmetic number, because the mean of its divisors is an integer number (243416842240).

Almost surely, 2^973640735233 is an apocalyptic number.

It is an amenable number.

973640735233 is a deficient number, since it is larger than the sum of its proper divisors (26633727).

973640735233 is a wasteful number, since it uses less digits than its factorization.

973640735233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26633726.

The product of its (nonzero) digits is 8573040, while the sum is 52.

The spelling of 973640735233 in words is "nine hundred seventy-three billion, six hundred forty million, seven hundred thirty-five thousand, two hundred thirty-three".