29106866394 has 48 divisors (see below), whose sum is σ = 65329615104. Its totient is φ = 9356083200.

The previous prime is 29106866377. The next prime is 29106866401. The reversal of 29106866394 is 49366860192.

It is a self number, because there is not a number n which added to its sum of digits gives 29106866394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65754 + ... + 250074.

It is an arithmetic number, because the mean of its divisors is an integer number (1361033648).

Almost surely, 2^29106866394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29106866394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32664807552).

29106866394 is an abundant number, since it is smaller than the sum of its proper divisors (36222748710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29106866394 is a wasteful number, since it uses less digits than its factorization.

29106866394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184643 (or 184640 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 29106866394 in words is "twenty-nine billion, one hundred six million, eight hundred sixty-six thousand, three hundred ninety-four".