72398361599 has 2 divisors, whose sum is σ = 72398361600. Its totient is φ = 72398361598.

The previous prime is 72398361569. The next prime is 72398361613. The reversal of 72398361599 is 99516389327.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (99516389327) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72398361599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72398361509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36199180799 + 36199180800.

It is an arithmetic number, because the mean of its divisors is an integer number (36199180800).

Almost surely, 2^72398361599 is an apocalyptic number.

72398361599 is a deficient number, since it is larger than the sum of its proper divisors (1).

72398361599 is an equidigital number, since it uses as much as digits as its factorization.

72398361599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22044960, while the sum is 62.

The spelling of 72398361599 in words is "seventy-two billion, three hundred ninety-eight million, three hundred sixty-one thousand, five hundred ninety-nine".