93963330734521 has 2 divisors, whose sum is σ = 93963330734522. Its totient is φ = 93963330734520.

The previous prime is 93963330734501. The next prime is 93963330734579. The reversal of 93963330734521 is 12543703336939.

It is a happy number.

It is an a-pointer prime, because the next prime (93963330734579) can be obtained adding 93963330734521 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75197756528896 + 18765574205625 = 8671664^2 + 4331925^2 .

It is an emirp because it is prime and its reverse (12543703336939) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93963330734521 is a prime.

It is not a weakly prime, because it can be changed into another prime (93963330734501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46981665367260 + 46981665367261.

It is an arithmetic number, because the mean of its divisors is an integer number (46981665367261).

Almost surely, 2^{93963330734521} is an apocalyptic number.

It is an amenable number.

93963330734521 is a deficient number, since it is larger than the sum of its proper divisors (1).

93963330734521 is an equidigital number, since it uses as much as digits as its factorization.

93963330734521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33067440, while the sum is 58.

The spelling of 93963330734521 in words is "ninety-three trillion, nine hundred sixty-three billion, three hundred thirty million, seven hundred thirty-four thousand, five hundred twenty-one".