29994265679 has 24 divisors (see below), whose sum is σ = 35200002528. Its totient is φ = 25482885120.

The previous prime is 29994265649. The next prime is 29994265723. The reversal of 29994265679 is 97656249992.

It is a de Polignac number, because none of the positive numbers 2^k-29994265679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29994265619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2651774 + ... + 2663060.

It is an arithmetic number, because the mean of its divisors is an integer number (1466666772).

Almost surely, 2^29994265679 is an apocalyptic number.

29994265679 is a deficient number, since it is larger than the sum of its proper divisors (5205736849).

29994265679 is a wasteful number, since it uses less digits than its factorization.

29994265679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11775 (or 11768 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 68.

The spelling of 29994265679 in words is "twenty-nine billion, nine hundred ninety-four million, two hundred sixty-five thousand, six hundred seventy-nine".