29120812945 has 48 divisors (see below), whose sum is σ = 41489273088. Its totient is φ = 19560078720.

The previous prime is 29120812939. The next prime is 29120812961. The reversal of 29120812945 is 54921802192.

It is not a de Polignac number, because 29120812945 - 2²⁵ = 29087258513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2725684 + ... + 2736346.

It is an arithmetic number, because the mean of its divisors is an integer number (864359856).

Almost surely, 2^29120812945 is an apocalyptic number.

It is an amenable number.

29120812945 is a deficient number, since it is larger than the sum of its proper divisors (12368460143).

29120812945 is a wasteful number, since it uses less digits than its factorization.

29120812945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910 (or 10903 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 29120812945 in words is "twenty-nine billion, one hundred twenty million, eight hundred twelve thousand, nine hundred forty-five".