29678691049 has 16 divisors (see below), whose sum is σ = 35883136000. Its totient is φ = 23978862864.

The previous prime is 29678691023. The next prime is 29678691101. The reversal of 29678691049 is 94019687692.

It is a cyclic number.

It is not a de Polignac number, because 29678691049 - 2¹⁹ = 29678166761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29678691019) 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, 534207 + ... + 587140.

It is an arithmetic number, because the mean of its divisors is an integer number (2242696000).

Almost surely, 2^29678691049 is an apocalyptic number.

It is an amenable number.

29678691049 is a deficient number, since it is larger than the sum of its proper divisors (6204444951).

29678691049 is a wasteful number, since it uses less digits than its factorization.

29678691049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121572.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 29678691049 in words is "twenty-nine billion, six hundred seventy-eight million, six hundred ninety-one thousand, forty-nine".