2120053643 has 2 divisors, whose sum is σ = 2120053644. Its totient is φ = 2120053642.

The previous prime is 2120053519. The next prime is 2120053709. The reversal of 2120053643 is 3463500212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120053643 - 2²⁰ = 2119005067 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120053843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060026821 + 1060026822.

It is an arithmetic number, because the mean of its divisors is an integer number (1060026822).

Almost surely, 2^2120053643 is an apocalyptic number.

2120053643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120053643 is an equidigital number, since it uses as much as digits as its factorization.

2120053643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2120053643 is about 46044.0402549559. The cubic root of 2120053643 is about 1284.6424927620.

Adding to 2120053643 its reverse (3463500212), we get a palindrome (5583553855).

The spelling of 2120053643 in words is "two billion, one hundred twenty million, fifty-three thousand, six hundred forty-three".