29628869939 has 16 divisors (see below), whose sum is σ = 30170115360. Its totient is φ = 29093011200.

The previous prime is 29628869923. The next prime is 29628869947. The reversal of 29628869939 is 93996882692.

It is a cyclic number.

It is not a de Polignac number, because 29628869939 - 2⁴ = 29628869923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29628869239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8003789 + ... + 8007489.

It is an arithmetic number, because the mean of its divisors is an integer number (1885632210).

Almost surely, 2^29628869939 is an apocalyptic number.

29628869939 is a deficient number, since it is larger than the sum of its proper divisors (541245421).

29628869939 is a wasteful number, since it uses less digits than its factorization.

29628869939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390.

The product of its digits is 181398528, while the sum is 71.

The spelling of 29628869939 in words is "twenty-nine billion, six hundred twenty-eight million, eight hundred sixty-nine thousand, nine hundred thirty-nine".