72397451299 has 2 divisors, whose sum is σ = 72397451300. Its totient is φ = 72397451298.

The previous prime is 72397451263. The next prime is 72397451303. The reversal of 72397451299 is 99215479327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72397451299 is a prime.

It is not a weakly prime, because it can be changed into another prime (72397451209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36198725649 + 36198725650.

It is an arithmetic number, because the mean of its divisors is an integer number (36198725650).

Almost surely, 2^72397451299 is an apocalyptic number.

72397451299 is a deficient number, since it is larger than the sum of its proper divisors (1).

72397451299 is an equidigital number, since it uses as much as digits as its factorization.

72397451299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 58.

The spelling of 72397451299 in words is "seventy-two billion, three hundred ninety-seven million, four hundred fifty-one thousand, two hundred ninety-nine".