2113259641 has 2 divisors, whose sum is σ = 2113259642. Its totient is φ = 2113259640.

The previous prime is 2113259633. The next prime is 2113259651. The reversal of 2113259641 is 1469523112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478018025 + 635241616 = 38445^2 + 25204^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113259641 - 2³ = 2113259633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113259597 and 2113259606.

It is not a weakly prime, because it can be changed into another prime (2113259651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056629820 + 1056629821.

It is an arithmetic number, because the mean of its divisors is an integer number (1056629821).

Almost surely, 2^2113259641 is an apocalyptic number.

It is an amenable number.

2113259641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113259641 is an equidigital number, since it uses as much as digits as its factorization.

2113259641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 2113259641 is about 45970.2038390086. The cubic root of 2113259641 is about 1283.2687533853.

The spelling of 2113259641 in words is "two billion, one hundred thirteen million, two hundred fifty-nine thousand, six hundred forty-one".