72316428559 has 2 divisors, whose sum is σ = 72316428560. Its totient is φ = 72316428558.

The previous prime is 72316428539. The next prime is 72316428563. The reversal of 72316428559 is 95582461327.

It is a strong prime.

It is an emirp because it is prime and its reverse (95582461327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72316428559 - 2¹³ = 72316420367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72316428529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36158214279 + 36158214280.

It is an arithmetic number, because the mean of its divisors is an integer number (36158214280).

Almost surely, 2^72316428559 is an apocalyptic number.

72316428559 is a deficient number, since it is larger than the sum of its proper divisors (1).

72316428559 is an equidigital number, since it uses as much as digits as its factorization.

72316428559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The spelling of 72316428559 in words is "seventy-two billion, three hundred sixteen million, four hundred twenty-eight thousand, five hundred fifty-nine".