2124564653 has 2 divisors, whose sum is σ = 2124564654. Its totient is φ = 2124564652.

The previous prime is 2124564643. The next prime is 2124564719. The reversal of 2124564653 is 3564654212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2124564649 + 4 = 46093^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124564653 - 2¹⁰ = 2124563629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124564643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062282326 + 1062282327.

It is an arithmetic number, because the mean of its divisors is an integer number (1062282327).

Almost surely, 2^2124564653 is an apocalyptic number.

It is an amenable number.

2124564653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124564653 is an equidigital number, since it uses as much as digits as its factorization.

2124564653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 38.

The square root of 2124564653 is about 46093.0000433905. Note that the first 4 decimals coincide. The cubic root of 2124564653 is about 1285.5529932759.

The spelling of 2124564653 in words is "two billion, one hundred twenty-four million, five hundred sixty-four thousand, six hundred fifty-three".