2089589797 has 2 divisors, whose sum is σ = 2089589798. Its totient is φ = 2089589796.

The previous prime is 2089589791. The next prime is 2089589849. The reversal of 2089589797 is 7979859802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1980784036 + 108805761 = 44506^2 + 10431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2089589797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2089589791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044794898 + 1044794899.

It is an arithmetic number, because the mean of its divisors is an integer number (1044794899).

Almost surely, 2^2089589797 is an apocalyptic number.

It is an amenable number.

2089589797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089589797 is an equidigital number, since it uses as much as digits as its factorization.

2089589797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The square root of 2089589797 is about 45712.0312062372. The cubic root of 2089589797 is about 1278.4596128604.

The spelling of 2089589797 in words is "two billion, eighty-nine million, five hundred eighty-nine thousand, seven hundred ninety-seven".