72350489606663 has 2 divisors, whose sum is σ = 72350489606664. Its totient is φ = 72350489606662.

The previous prime is 72350489606641. The next prime is 72350489606683. The reversal of 72350489606663 is 36660698405327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72350489606663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72350489606663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72350489606683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36175244803331 + 36175244803332.

It is an arithmetic number, because the mean of its divisors is an integer number (36175244803332).

Almost surely, 2^{72350489606663} is an apocalyptic number.

72350489606663 is a deficient number, since it is larger than the sum of its proper divisors (1).

72350489606663 is an equidigital number, since it uses as much as digits as its factorization.

72350489606663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235146240, while the sum is 65.

The spelling of 72350489606663 in words is "seventy-two trillion, three hundred fifty billion, four hundred eighty-nine million, six hundred six thousand, six hundred sixty-three".