9234401921 has 4 divisors (see below), whose sum is σ = 9777602052. Its totient is φ = 8691201792.

The previous prime is 9234401909. The next prime is 9234401927. The reversal of 9234401921 is 1291044329.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3901751296 + 5332650625 = 62464^2 + 73025^2 .

It is a cyclic number.

It is not a de Polignac number, because 9234401921 - 2²² = 9230207617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9234401927) 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, 271600040 + ... + 271600073.

It is an arithmetic number, because the mean of its divisors is an integer number (2444400513).

Almost surely, 2^9234401921 is an apocalyptic number.

It is an amenable number.

9234401921 is a deficient number, since it is larger than the sum of its proper divisors (543200131).

9234401921 is a wasteful number, since it uses less digits than its factorization.

9234401921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543200130.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 9234401921 is about 96095.7955427812. The cubic root of 9234401921 is about 2097.9876354194.

The spelling of 9234401921 in words is "nine billion, two hundred thirty-four million, four hundred one thousand, nine hundred twenty-one".