29907749286 has 32 divisors (see below), whose sum is σ = 68605593600. Its totient is φ = 9647660520.

The previous prime is 29907749269. The next prime is 29907749299. The reversal of 29907749286 is 68294770992.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8931346 + ... + 8934693.

It is an arithmetic number, because the mean of its divisors is an integer number (2143924800).

Almost surely, 2^29907749286 is an apocalyptic number.

29907749286 is an abundant number, since it is smaller than the sum of its proper divisors (38697844314).

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

29907749286 is a wasteful number, since it uses less digits than its factorization.

29907749286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866081 (or 17866075 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 29907749286 in words is "twenty-nine billion, nine hundred seven million, seven hundred forty-nine thousand, two hundred eighty-six".