29239140530 has 8 divisors (see below), whose sum is σ = 52630452972. Its totient is φ = 11695656208.

The previous prime is 29239140523. The next prime is 29239140547. The reversal of 29239140530 is 3504193292.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27306571009 + 1932569521 = 165247^2 + 43961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1461957017 + ... + 1461957036.

Almost surely, 2^29239140530 is an apocalyptic number.

29239140530 is a deficient number, since it is larger than the sum of its proper divisors (23391312442).

29239140530 is a wasteful number, since it uses less digits than its factorization.

29239140530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923914060.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 29239140530 in words is "twenty-nine billion, two hundred thirty-nine million, one hundred forty thousand, five hundred thirty".