29913793129 has 16 divisors (see below), whose sum is σ = 32937554880. Its totient is φ = 26940981760.

The previous prime is 29913793109. The next prime is 29913793159. The reversal of 29913793129 is 92139731992.

It is not a de Polignac number, because 29913793129 - 2⁷ = 29913793001 is a prime.

It is a super-2 number, since 2×29913793129² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29913793129.

It is not an unprimeable number, because it can be changed into a prime (29913793109) 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, 3499749 + ... + 3508285.

It is an arithmetic number, because the mean of its divisors is an integer number (2058597180).

Almost surely, 2^29913793129 is an apocalyptic number.

It is an amenable number.

29913793129 is a deficient number, since it is larger than the sum of its proper divisors (3023761751).

29913793129 is a wasteful number, since it uses less digits than its factorization.

29913793129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11480.

The product of its digits is 1653372, while the sum is 55.

The spelling of 29913793129 in words is "twenty-nine billion, nine hundred thirteen million, seven hundred ninety-three thousand, one hundred twenty-nine".