72245816689799 has 2 divisors, whose sum is σ = 72245816689800. Its totient is φ = 72245816689798.

The previous prime is 72245816689741. The next prime is 72245816689819. The reversal of 72245816689799 is 99798661854227.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72245816689799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72245816689399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36122908344899 + 36122908344900.

It is an arithmetic number, because the mean of its divisors is an integer number (36122908344900).

Almost surely, 2^{72245816689799} is an apocalyptic number.

72245816689799 is a deficient number, since it is larger than the sum of its proper divisors (1).

72245816689799 is an equidigital number, since it uses as much as digits as its factorization.

72245816689799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6584094720, while the sum is 83.

The spelling of 72245816689799 in words is "seventy-two trillion, two hundred forty-five billion, eight hundred sixteen million, six hundred eighty-nine thousand, seven hundred ninety-nine".