29189816659 has 12 divisors (see below), whose sum is σ = 30378928440. Its totient is φ = 28044856800.

The previous prime is 29189816657. The next prime is 29189816681. The reversal of 29189816659 is 95661898192.

It is not a de Polignac number, because 29189816659 - 2¹ = 29189816657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29189816659.

It is not an unprimeable number, because it can be changed into a prime (29189816653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24319 + ... + 242839.

It is an arithmetic number, because the mean of its divisors is an integer number (2531577370).

Almost surely, 2^29189816659 is an apocalyptic number.

29189816659 is a deficient number, since it is larger than the sum of its proper divisors (1189111781).

29189816659 is a wasteful number, since it uses less digits than its factorization.

29189816659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218722 (or 218691 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 64.

The spelling of 29189816659 in words is "twenty-nine billion, one hundred eighty-nine million, eight hundred sixteen thousand, six hundred fifty-nine".