9421290944 has 56 divisors (see below), whose sum is σ = 20624615088. Its totient is φ = 4242216960.

The previous prime is 9421290943. The next prime is 9421291001. The reversal of 9421290944 is 4490921249.

It is a super-2 number, since 2×9421290944² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9421290895 and 9421290904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9421290943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103982 + ... + 172205.

It is an arithmetic number, because the mean of its divisors is an integer number (368296698).

Almost surely, 2^9421290944 is an apocalyptic number.

It is an amenable number.

9421290944 is an abundant number, since it is smaller than the sum of its proper divisors (11203324144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9421290944 is a wasteful number, since it uses less digits than its factorization.

9421290944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276253 (or 276243 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 9421290944 is about 97063.3347047174. The cubic root of 9421290944 is about 2112.0464817976.

The spelling of 9421290944 in words is "nine billion, four hundred twenty-one million, two hundred ninety thousand, nine hundred forty-four".