29997922680909 has 16 divisors (see below), whose sum is σ = 44441689592640. Its totient is φ = 19998469924560.

The previous prime is 29997922680893. The next prime is 29997922680911. The reversal of 29997922680909 is 90908622979992.

It is not a de Polignac number, because 29997922680909 - 2⁴ = 29997922680893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29997922680809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178522 + ... + 7747755.

It is an arithmetic number, because the mean of its divisors is an integer number (2777605599540).

Almost surely, 2^{29997922680909} is an apocalyptic number.

It is an amenable number.

29997922680909 is a deficient number, since it is larger than the sum of its proper divisors (14443766911731).

29997922680909 is a wasteful number, since it uses less digits than its factorization.

29997922680909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066457 (or 8066451 counting only the distinct ones).

The product of its (nonzero) digits is 1428513408, while the sum is 81.

The spelling of 29997922680909 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-two million, six hundred eighty thousand, nine hundred nine".