2043613613 has 2 divisors, whose sum is σ = 2043613614. Its totient is φ = 2043613612.

The previous prime is 2043613597. The next prime is 2043613631. The reversal of 2043613613 is 3163163402.

Together with next prime (2043613631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1717522249 + 326091364 = 41443^2 + 18058^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043613613 - 2⁴ = 2043613597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043613513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021806806 + 1021806807.

It is an arithmetic number, because the mean of its divisors is an integer number (1021806807).

Almost surely, 2^2043613613 is an apocalyptic number.

It is an amenable number.

2043613613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043613613 is an equidigital number, since it uses as much as digits as its factorization.

2043613613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 2043613613 is about 45206.3448312292. The cubic root of 2043613613 is about 1269.0135587197.

The spelling of 2043613613 in words is "two billion, forty-three million, six hundred thirteen thousand, six hundred thirteen".