9142729364 has 12 divisors (see below), whose sum is σ = 16218951924. Its totient is φ = 4508743104.

The previous prime is 9142729361. The next prime is 9142729369. The reversal of 9142729364 is 4639272419.

It can be written as a sum of positive squares in 2 ways, for example, as 1933360900 + 7209368464 = 43970^2 + 84908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9142729361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15655067 + ... + 15655650.

It is an arithmetic number, because the mean of its divisors is an integer number (1351579327).

Almost surely, 2^9142729364 is an apocalyptic number.

It is an amenable number.

9142729364 is a deficient number, since it is larger than the sum of its proper divisors (7076222560).

9142729364 is a wasteful number, since it uses less digits than its factorization.

9142729364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31310794 (or 31310792 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 9142729364 is about 95617.6205727794. The cubic root of 9142729364 is about 2091.0220929638.

The spelling of 9142729364 in words is "nine billion, one hundred forty-two million, seven hundred twenty-nine thousand, three hundred sixty-four".