2105403589 has 2 divisors, whose sum is σ = 2105403590. Its totient is φ = 2105403588.

The previous prime is 2105403571. The next prime is 2105403617. The reversal of 2105403589 is 9853045012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2076351489 + 29052100 = 45567^2 + 5390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105403589 - 2⁹ = 2105403077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105403089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052701794 + 1052701795.

It is an arithmetic number, because the mean of its divisors is an integer number (1052701795).

Almost surely, 2^2105403589 is an apocalyptic number.

It is an amenable number.

2105403589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105403589 is an equidigital number, since it uses as much as digits as its factorization.

2105403589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2105403589 is about 45884.6770610843. The cubic root of 2105403589 is about 1281.6765930551.

The spelling of 2105403589 in words is "two billion, one hundred five million, four hundred three thousand, five hundred eighty-nine".