29997974753899 has 16 divisors (see below), whose sum is σ = 31585749482880. Its totient is φ = 28411094779200.

The previous prime is 29997974753819. The next prime is 29997974753939. The reversal of 29997974753899 is 99835747979992.

It is a cyclic number.

It is not a de Polignac number, because 29997974753899 - 2⁹ = 29997974753387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29997974753899.

It is not an unprimeable number, because it can be changed into a prime (29997974753809) 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, 1866350127 + ... + 1866366199.

It is an arithmetic number, because the mean of its divisors is an integer number (1974109342680).

Almost surely, 2^{29997974753899} is an apocalyptic number.

29997974753899 is a deficient number, since it is larger than the sum of its proper divisors (1587774728981).

29997974753899 is a wasteful number, since it uses less digits than its factorization.

29997974753899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37770.

The product of its digits is 174992892480, while the sum is 97.

The spelling of 29997974753899 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred seventy-four million, seven hundred fifty-three thousand, eight hundred ninety-nine".