97445552521963 has 2 divisors, whose sum is σ = 97445552521964. Its totient is φ = 97445552521962.

The previous prime is 97445552521883. The next prime is 97445552521987. The reversal of 97445552521963 is 36912525554479.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97445552521963 - 2⁴⁵ = 62261180433131 is a prime.

It is not a weakly prime, because it can be changed into another prime (97445552021963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48722776260981 + 48722776260982.

It is an arithmetic number, because the mean of its divisors is an integer number (48722776260982).

Almost surely, 2^{97445552521963} is an apocalyptic number.

97445552521963 is a deficient number, since it is larger than the sum of its proper divisors (1).

97445552521963 is an equidigital number, since it uses as much as digits as its factorization.

97445552521963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240000, while the sum is 67.

The spelling of 97445552521963 in words is "ninety-seven trillion, four hundred forty-five billion, five hundred fifty-two million, five hundred twenty-one thousand, nine hundred sixty-three".