2112467309 has 2 divisors, whose sum is σ = 2112467310. Its totient is φ = 2112467308.

The previous prime is 2112467303. The next prime is 2112467339. The reversal of 2112467309 is 9037642112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111862025 + 605284 = 45955^2 + 778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112467309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112467303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056233654 + 1056233655.

It is an arithmetic number, because the mean of its divisors is an integer number (1056233655).

Almost surely, 2^2112467309 is an apocalyptic number.

It is an amenable number.

2112467309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112467309 is an equidigital number, since it uses as much as digits as its factorization.

2112467309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2112467309 is about 45961.5851445531. The cubic root of 2112467309 is about 1283.1083531550.

The spelling of 2112467309 in words is "two billion, one hundred twelve million, four hundred sixty-seven thousand, three hundred nine".