29849705894 has 16 divisors (see below), whose sum is σ = 45730967040. Its totient is φ = 14607428160.

The previous prime is 29849705891. The next prime is 29849705911. The reversal of 29849705894 is 49850794892.

It is a self number, because there is not a number n which added to its sum of digits gives 29849705894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29849705891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300902 + ... + 387609.

It is an arithmetic number, because the mean of its divisors is an integer number (2858185440).

Almost surely, 2^29849705894 is an apocalyptic number.

29849705894 is a deficient number, since it is larger than the sum of its proper divisors (15881261146).

29849705894 is a wasteful number, since it uses less digits than its factorization.

29849705894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688975.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 29849705894 in words is "twenty-nine billion, eight hundred forty-nine million, seven hundred five thousand, eight hundred ninety-four".