89205653651 has 2 divisors, whose sum is σ = 89205653652. Its totient is φ = 89205653650.

The previous prime is 89205653639. The next prime is 89205653659. The reversal of 89205653651 is 15635650298.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89205653651 - 2³⁰ = 88131911827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89205653651.

It is not a weakly prime, because it can be changed into another prime (89205653659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44602826825 + 44602826826.

It is an arithmetic number, because the mean of its divisors is an integer number (44602826826).

Almost surely, 2^89205653651 is an apocalyptic number.

89205653651 is a deficient number, since it is larger than the sum of its proper divisors (1).

89205653651 is an equidigital number, since it uses as much as digits as its factorization.

89205653651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 89205653651 in words is "eighty-nine billion, two hundred five million, six hundred fifty-three thousand, six hundred fifty-one".