29116931893 has 16 divisors (see below), whose sum is σ = 34094687616. Its totient is φ = 24345236160.

The previous prime is 29116931873. The next prime is 29116931923. The reversal of 29116931893 is 39813961192.

It is a happy number.

It is not a de Polignac number, because 29116931893 - 2²¹ = 29114834741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29116931893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29116931873) 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, 170103 + ... + 295243.

It is an arithmetic number, because the mean of its divisors is an integer number (2130917976).

Almost surely, 2^29116931893 is an apocalyptic number.

It is an amenable number.

29116931893 is a deficient number, since it is larger than the sum of its proper divisors (4977755723).

29116931893 is a wasteful number, since it uses less digits than its factorization.

29116931893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125964.

The product of its digits is 629856, while the sum is 52.

The spelling of 29116931893 in words is "twenty-nine billion, one hundred sixteen million, nine hundred thirty-one thousand, eight hundred ninety-three".