2113343009 has 2 divisors, whose sum is σ = 2113343010. Its totient is φ = 2113343008.

The previous prime is 2113342967. The next prime is 2113343033. The reversal of 2113343009 is 9003433112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1251744400 + 861598609 = 35380^2 + 29353^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113343009 - 2⁸ = 2113342753 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113343209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056671504 + 1056671505.

It is an arithmetic number, because the mean of its divisors is an integer number (1056671505).

Almost surely, 2^2113343009 is an apocalyptic number.

It is an amenable number.

2113343009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113343009 is an equidigital number, since it uses as much as digits as its factorization.

2113343009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 2113343009 is about 45971.1105913268. The cubic root of 2113343009 is about 1283.2856281287.

The spelling of 2113343009 in words is "two billion, one hundred thirteen million, three hundred forty-three thousand, nine".