2246149309 has 2 divisors, whose sum is σ = 2246149310. Its totient is φ = 2246149308.

The previous prime is 2246149307. The next prime is 2246149351. The reversal of 2246149309 is 9039416422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1918177209 + 327972100 = 43797^2 + 18110^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246149309 - 2¹ = 2246149307 is a prime.

Together with 2246149307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2246149307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123074654 + 1123074655.

It is an arithmetic number, because the mean of its divisors is an integer number (1123074655).

Almost surely, 2^2246149309 is an apocalyptic number.

It is an amenable number.

2246149309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246149309 is an equidigital number, since it uses as much as digits as its factorization.

2246149309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 2246149309 is about 47393.5576740130. The cubic root of 2246149309 is about 1309.6227394896.

The spelling of 2246149309 in words is "two billion, two hundred forty-six million, one hundred forty-nine thousand, three hundred nine".