29132991705 has 16 divisors (see below), whose sum is σ = 47696806080. Its totient is φ = 15176255808.

The previous prime is 29132991697. The next prime is 29132991721. The reversal of 29132991705 is 50719923192.

It is not a de Polignac number, because 29132991705 - 2³ = 29132991697 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22583070 + ... + 22584359.

It is an arithmetic number, because the mean of its divisors is an integer number (2981050380).

Almost surely, 2^29132991705 is an apocalyptic number.

It is an amenable number.

29132991705 is a deficient number, since it is larger than the sum of its proper divisors (18563814375).

29132991705 is a wasteful number, since it uses less digits than its factorization.

29132991705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45167480.

The product of its (nonzero) digits is 306180, while the sum is 48.

The spelling of 29132991705 in words is "twenty-nine billion, one hundred thirty-two million, nine hundred ninety-one thousand, seven hundred five".