9429911380 has 12 divisors (see below), whose sum is σ = 19802813940. Its totient is φ = 3771964544.

The previous prime is 9429911377. The next prime is 9429911423. The reversal of 9429911380 is 831199249.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 992754064 + 8437157316 = 31508^2 + 91854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9429911380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235747765 + ... + 235747804.

It is an arithmetic number, because the mean of its divisors is an integer number (1650234495).

Almost surely, 2^9429911380 is an apocalyptic number.

It is an amenable number.

9429911380 is an abundant number, since it is smaller than the sum of its proper divisors (10372902560).

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

9429911380 is a wasteful number, since it uses less digits than its factorization.

9429911380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471495578 (or 471495576 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 9429911380 is about 97107.7307942061. The cubic root of 9429911380 is about 2112.6904562247.

The spelling of 9429911380 in words is "nine billion, four hundred twenty-nine million, nine hundred eleven thousand, three hundred eighty".