29998399928593 has 2 divisors, whose sum is σ = 29998399928594. Its totient is φ = 29998399928592.

The previous prime is 29998399928573. The next prime is 29998399928639. The reversal of 29998399928593 is 39582999389992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27356582043904 + 2641817884689 = 5230352^2 + 1625367^2 .

It is a cyclic number.

It is not a de Polignac number, because 29998399928593 - 2²⁵ = 29998366374161 is a prime.

It is not a weakly prime, because it can be changed into another prime (29998399928533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14999199964296 + 14999199964297.

It is an arithmetic number, because the mean of its divisors is an integer number (14999199964297).

Almost surely, 2^{29998399928593} is an apocalyptic number.

It is an amenable number.

29998399928593 is a deficient number, since it is larger than the sum of its proper divisors (1).

29998399928593 is an equidigital number, since it uses as much as digits as its factorization.

29998399928593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55099802880, while the sum is 94.

The spelling of 29998399928593 in words is "twenty-nine trillion, nine hundred ninety-eight billion, three hundred ninety-nine million, nine hundred twenty-eight thousand, five hundred ninety-three".