2089224995581 has 2 divisors, whose sum is σ = 2089224995582. Its totient is φ = 2089224995580.

The previous prime is 2089224995513. The next prime is 2089224995591. The reversal of 2089224995581 is 1855994229802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2072710175481 + 16514820100 = 1439691^2 + 128510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2089224995581 - 2¹¹ = 2089224993533 is a prime.

It is a super-2 number, since 2×2089224995581² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2089224995591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044612497790 + 1044612497791.

It is an arithmetic number, because the mean of its divisors is an integer number (1044612497791).

Almost surely, 2^{2089224995581} is an apocalyptic number.

It is an amenable number.

2089224995581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089224995581 is an equidigital number, since it uses as much as digits as its factorization.

2089224995581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37324800, while the sum is 64.

The spelling of 2089224995581 in words is "two trillion, eighty-nine billion, two hundred twenty-four million, nine hundred ninety-five thousand, five hundred eighty-one".