29718335145 has 32 divisors (see below), whose sum is σ = 47795255424. Its totient is φ = 15768000000.

The previous prime is 29718335131. The next prime is 29718335149. The reversal of 29718335145 is 54153381792.

It is not a de Polignac number, because 29718335145 - 2⁸ = 29718334889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29718335094 and 29718335103.

It is not an unprimeable number, because it can be changed into a prime (29718335149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2635770 + ... + 2647020.

It is an arithmetic number, because the mean of its divisors is an integer number (1493601732).

Almost surely, 2^29718335145 is an apocalyptic number.

It is an amenable number.

29718335145 is a deficient number, since it is larger than the sum of its proper divisors (18076920279).

29718335145 is a wasteful number, since it uses less digits than its factorization.

29718335145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12153.

The product of its digits is 907200, while the sum is 48.

The spelling of 29718335145 in words is "twenty-nine billion, seven hundred eighteen million, three hundred thirty-five thousand, one hundred forty-five".