2056419653 has 2 divisors, whose sum is σ = 2056419654. Its totient is φ = 2056419652.

The previous prime is 2056419643. The next prime is 2056419679. The reversal of 2056419653 is 3569146502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391140804 + 665278849 = 37298^2 + 25793^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056419653 - 2²⁶ = 1989310789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056419653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056419643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028209826 + 1028209827.

It is an arithmetic number, because the mean of its divisors is an integer number (1028209827).

Almost surely, 2^2056419653 is an apocalyptic number.

It is an amenable number.

2056419653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056419653 is an equidigital number, since it uses as much as digits as its factorization.

2056419653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 2056419653 is about 45347.7634839911. The cubic root of 2056419653 is about 1271.6587441832.

The spelling of 2056419653 in words is "two billion, fifty-six million, four hundred nineteen thousand, six hundred fifty-three".