9929774364 has 24 divisors (see below), whose sum is σ = 23222263680. Its totient is φ = 3302383344.

The previous prime is 9929774363. The next prime is 9929774389. The reversal of 9929774364 is 4634779299.

It is a junction number, because it is equal to n+sod(n) for n = 9929774298 and 9929774307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9929774363) 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, 937194 + ... + 947729.

It is an arithmetic number, because the mean of its divisors is an integer number (967594320).

Almost surely, 2^9929774364 is an apocalyptic number.

It is an amenable number.

9929774364 is an abundant number, since it is smaller than the sum of its proper divisors (13292489316).

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

9929774364 is a wasteful number, since it uses less digits than its factorization.

9929774364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885369 (or 1885367 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 60.

The square root of 9929774364 is about 99648.2531909115. The cubic root of 9929774364 is about 2149.3796201060.

The spelling of 9929774364 in words is "nine billion, nine hundred twenty-nine million, seven hundred seventy-four thousand, three hundred sixty-four".