29997974695814 has 16 divisors (see below), whose sum is σ = 46005010656768. Its totient is φ = 14663674844232.

The previous prime is 29997974695813. The next prime is 29997974695823. The reversal of 29997974695814 is 41859647979992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29997974695814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29997974695813) 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, 175839434 + ... + 176009949.

It is an arithmetic number, because the mean of its divisors is an integer number (2875313166048).

Almost surely, 2^{29997974695814} is an apocalyptic number.

29997974695814 is a deficient number, since it is larger than the sum of its proper divisors (16007035960954).

29997974695814 is a wasteful number, since it uses less digits than its factorization.

29997974695814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351850339.

The product of its digits is 22221319680, while the sum is 89.

The spelling of 29997974695814 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred seventy-four million, six hundred ninety-five thousand, eight hundred fourteen".