29696989694 has 16 divisors (see below), whose sum is σ = 45164346000. Its totient is φ = 14642285760.

The previous prime is 29696989669. The next prime is 29696989711. The reversal of 29696989694 is 49698969692.

It is a super-2 number, since 2×29696989694² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 890432 + ... + 923180.

It is an arithmetic number, because the mean of its divisors is an integer number (2822771625).

Almost surely, 2^29696989694 is an apocalyptic number.

29696989694 is a deficient number, since it is larger than the sum of its proper divisors (15467356306).

29696989694 is a wasteful number, since it uses less digits than its factorization.

29696989694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39035.

The product of its digits is 816293376, while the sum is 77.

The spelling of 29696989694 in words is "twenty-nine billion, six hundred ninety-six million, nine hundred eighty-nine thousand, six hundred ninety-four".