29907749289 has 32 divisors (see below), whose sum is σ = 43931796480. Its totient is φ = 17947137600.

The previous prime is 29907749269. The next prime is 29907749299. The reversal of 29907749289 is 98294770992.

It is not a de Polignac number, because 29907749289 - 2⁷ = 29907749161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29907749269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9749934 + ... + 9753000.

It is an arithmetic number, because the mean of its divisors is an integer number (1372868640).

Almost surely, 2^29907749289 is an apocalyptic number.

It is an amenable number.

29907749289 is a deficient number, since it is larger than the sum of its proper divisors (14024047191).

29907749289 is a wasteful number, since it uses less digits than its factorization.

29907749289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901.

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 29907749289 in words is "twenty-nine billion, nine hundred seven million, seven hundred forty-nine thousand, two hundred eighty-nine".