2263678349 has 2 divisors, whose sum is σ = 2263678350. Its totient is φ = 2263678348.

The previous prime is 2263678337. The next prime is 2263678379. The reversal of 2263678349 is 9438763622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1919316100 + 344362249 = 43810^2 + 18557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2263678349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2263678297 and 2263678306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2263678379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131839174 + 1131839175.

It is an arithmetic number, because the mean of its divisors is an integer number (1131839175).

Almost surely, 2^2263678349 is an apocalyptic number.

It is an amenable number.

2263678349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263678349 is an equidigital number, since it uses as much as digits as its factorization.

2263678349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 50.

The square root of 2263678349 is about 47578.1288934317. The cubic root of 2263678349 is about 1313.0206984218.

The spelling of 2263678349 in words is "two billion, two hundred sixty-three million, six hundred seventy-eight thousand, three hundred forty-nine".