9373223621 has 4 divisors (see below), whose sum is σ = 9866551200. Its totient is φ = 8879896044.

The previous prime is 9373223617. The next prime is 9373223641. The reversal of 9373223621 is 1263223739.

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 9373223621 - 2² = 9373223617 is a prime.

It is a super-3 number, since 3×9373223621³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9373223641) 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, 246663761 + ... + 246663798.

It is an arithmetic number, because the mean of its divisors is an integer number (2466637800).

Almost surely, 2^9373223621 is an apocalyptic number.

It is an amenable number.

9373223621 is a deficient number, since it is larger than the sum of its proper divisors (493327579).

9373223621 is a wasteful number, since it uses less digits than its factorization.

9373223621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493327578.

The product of its digits is 81648, while the sum is 38.

The square root of 9373223621 is about 96815.4100388982. The cubic root of 9373223621 is about 2108.4484765242.

The spelling of 9373223621 in words is "nine billion, three hundred seventy-three million, two hundred twenty-three thousand, six hundred twenty-one".