29802728132 has 6 divisors (see below), whose sum is σ = 52154774238. Its totient is φ = 14901364064.

The previous prime is 29802728113. The next prime is 29802728161. The reversal of 29802728132 is 23182720892.

It can be written as a sum of positive squares in only one way, i.e., 17351739076 + 12450989056 = 131726^2 + 111584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3725341013 + ... + 3725341020.

It is an arithmetic number, because the mean of its divisors is an integer number (8692462373).

Almost surely, 2^29802728132 is an apocalyptic number.

It is an amenable number.

29802728132 is a deficient number, since it is larger than the sum of its proper divisors (22352046106).

29802728132 is a wasteful number, since it uses less digits than its factorization.

29802728132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450682037 (or 7450682035 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 29802728132 in words is "twenty-nine billion, eight hundred two million, seven hundred twenty-eight thousand, one hundred thirty-two".