9243112621 has 4 divisors (see below), whose sum is σ = 9244527552. Its totient is φ = 9241697692.

The previous prime is 9243112589. The next prime is 9243112633. The reversal of 9243112621 is 1262113429.

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 9243112621 - 2⁵ = 9243112589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9243112661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697621 + ... + 710746.

It is an arithmetic number, because the mean of its divisors is an integer number (2311131888).

Almost surely, 2^9243112621 is an apocalyptic number.

It is an amenable number.

9243112621 is a deficient number, since it is larger than the sum of its proper divisors (1414931).

9243112621 is a wasteful number, since it uses less digits than its factorization.

9243112621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414930.

The product of its digits is 5184, while the sum is 31.

The square root of 9243112621 is about 96141.1078623499. The cubic root of 9243112621 is about 2098.6470969230.

The spelling of 9243112621 in words is "nine billion, two hundred forty-three million, one hundred twelve thousand, six hundred twenty-one".