29909009199 has 4 divisors (see below), whose sum is σ = 39878678936. Its totient is φ = 19939339464.

The previous prime is 29909009191. The next prime is 29909009203. The reversal of 29909009199 is 99190090992.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29909009199 - 2³ = 29909009191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29909009191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4984834864 + ... + 4984834869.

It is an arithmetic number, because the mean of its divisors is an integer number (9969669734).

Almost surely, 2^29909009199 is an apocalyptic number.

29909009199 is a deficient number, since it is larger than the sum of its proper divisors (9969669737).

29909009199 is an equidigital number, since it uses as much as digits as its factorization.

29909009199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969669736.

The product of its (nonzero) digits is 1062882, while the sum is 57.

The spelling of 29909009199 in words is "twenty-nine billion, nine hundred nine million, nine thousand, one hundred ninety-nine".