89251633633693 has 2 divisors, whose sum is σ = 89251633633694. Its totient is φ = 89251633633692.

The previous prime is 89251633633583. The next prime is 89251633633741. The reversal of 89251633633693 is 39633633615298.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56251170006084 + 33000463627609 = 7500078^2 + 5744603^2 .

It is a cyclic number.

It is not a de Polignac number, because 89251633633693 - 2⁹ = 89251633633181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89251633733693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44625816816846 + 44625816816847.

It is an arithmetic number, because the mean of its divisors is an integer number (44625816816847).

Almost surely, 2^{89251633633693} is an apocalyptic number.

It is an amenable number.

89251633633693 is a deficient number, since it is larger than the sum of its proper divisors (1).

89251633633693 is an equidigital number, since it uses as much as digits as its factorization.

89251633633693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340122240, while the sum is 67.

The spelling of 89251633633693 in words is "eighty-nine trillion, two hundred fifty-one billion, six hundred thirty-three million, six hundred thirty-three thousand, six hundred ninety-three".