89251633633091 has 2 divisors, whose sum is σ = 89251633633092. Its totient is φ = 89251633633090.

The previous prime is 89251633632983. The next prime is 89251633633121. The reversal of 89251633633091 is 19033633615298.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89251633633091 - 2¹⁰ = 89251633632067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89251633633091.

It is not a weakly prime, because it can be changed into another prime (89251633630091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44625816816545 + 44625816816546.

It is an arithmetic number, because the mean of its divisors is an integer number (44625816816546).

Almost surely, 2^{89251633633091} is an apocalyptic number.

89251633633091 is a deficient number, since it is larger than the sum of its proper divisors (1).

89251633633091 is an equidigital number, since it uses as much as digits as its factorization.

89251633633091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 59.

The spelling of 89251633633091 in words is "eighty-nine trillion, two hundred fifty-one billion, six hundred thirty-three million, six hundred thirty-three thousand, ninety-one".