29843679137 has 12 divisors (see below), whose sum is σ = 30890025540. Its totient is φ = 28831726080.

The previous prime is 29843679121. The next prime is 29843679157. The reversal of 29843679137 is 73197634892.

It can be written as a sum of positive squares in 2 ways, for example, as 19947607696 + 9896071441 = 141236^2 + 99479^2 .

It is not a de Polignac number, because 29843679137 - 2⁴ = 29843679121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29843679157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543689 + ... + 596057.

It is an arithmetic number, because the mean of its divisors is an integer number (2574168795).

Almost surely, 2^29843679137 is an apocalyptic number.

It is an amenable number.

29843679137 is a deficient number, since it is larger than the sum of its proper divisors (1046346403).

29843679137 is an equidigital number, since it uses as much as digits as its factorization.

29843679137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53024 (or 52993 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 59.

The spelling of 29843679137 in words is "twenty-nine billion, eight hundred forty-three million, six hundred seventy-nine thousand, one hundred thirty-seven".