29997974079883 has 2 divisors, whose sum is σ = 29997974079884. Its totient is φ = 29997974079882.

The previous prime is 29997974079841. The next prime is 29997974079923. The reversal of 29997974079883 is 38897047979992.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29997974079883 - 2⁹ = 29997974079371 is a prime.

It is not a weakly prime, because it can be changed into another prime (29997974073883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14998987039941 + 14998987039942.

It is an arithmetic number, because the mean of its divisors is an integer number (14998987039942).

Almost surely, 2^{29997974079883} is an apocalyptic number.

29997974079883 is a deficient number, since it is larger than the sum of its proper divisors (1).

29997974079883 is an equidigital number, since it uses as much as digits as its factorization.

29997974079883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31109847552, while the sum is 91.

The spelling of 29997974079883 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred seventy-four million, seventy-nine thousand, eight hundred eighty-three".