29997985597399 has 2 divisors, whose sum is σ = 29997985597400. Its totient is φ = 29997985597398.

The previous prime is 29997985597367. The next prime is 29997985597429. The reversal of 29997985597399 is 99379558979992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29997985597399 - 2⁵ = 29997985597367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29997985595399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14998992798699 + 14998992798700.

It is an arithmetic number, because the mean of its divisors is an integer number (14998992798700).

Almost surely, 2^{29997985597399} is an apocalyptic number.

29997985597399 is a deficient number, since it is larger than the sum of its proper divisors (1).

29997985597399 is an equidigital number, since it uses as much as digits as its factorization.

29997985597399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 281238577200, while the sum is 100.

The spelling of 29997985597399 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred eighty-five million, five hundred ninety-seven thousand, three hundred ninety-nine".