9426991104 has 72 divisors (see below), whose sum is σ = 27226934280. Its totient is φ = 3142324224.

The previous prime is 9426991087. The next prime is 9426991109. The reversal of 9426991104 is 4011996249.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×9426991104² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9426991104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9426991109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237292 + ... + 274155.

It is an arithmetic number, because the mean of its divisors is an integer number (378151865).

Almost surely, 2^9426991104 is an apocalyptic number.

It is an amenable number.

9426991104 is an abundant number, since it is smaller than the sum of its proper divisors (17799943176).

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

9426991104 is a wasteful number, since it uses less digits than its factorization.

9426991104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511475 (or 511452 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9426991104 is about 97092.6933605202. The cubic root of 9426991104 is about 2112.4723461431.

The spelling of 9426991104 in words is "nine billion, four hundred twenty-six million, nine hundred ninety-one thousand, one hundred four".