9345360021 has 4 divisors (see below), whose sum is σ = 12460480032. Its totient is φ = 6230240012.

The previous prime is 9345360001. The next prime is 9345360061. The reversal of 9345360021 is 1200635439.

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: 1200635439 = 3 ⋅400211813.

It is a cyclic number.

It is not a de Polignac number, because 9345360021 - 2⁶ = 9345359957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9345360001) 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, 1557560001 + ... + 1557560006.

It is an arithmetic number, because the mean of its divisors is an integer number (3115120008).

Almost surely, 2^9345360021 is an apocalyptic number.

It is an amenable number.

9345360021 is a deficient number, since it is larger than the sum of its proper divisors (3115120011).

9345360021 is a wasteful number, since it uses less digits than its factorization.

9345360021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115120010.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 9345360021 is about 96671.4022914740. The cubic root of 9345360021 is about 2106.3571549167.

The spelling of 9345360021 in words is "nine billion, three hundred forty-five million, three hundred sixty thousand, twenty-one".