2278849343 has 2 divisors, whose sum is σ = 2278849344. Its totient is φ = 2278849342.

The previous prime is 2278849301. The next prime is 2278849357. The reversal of 2278849343 is 3439488722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2278849343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2278849291 and 2278849300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2278849393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139424671 + 1139424672.

It is an arithmetic number, because the mean of its divisors is an integer number (1139424672).

Almost surely, 2^2278849343 is an apocalyptic number.

2278849343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278849343 is an equidigital number, since it uses as much as digits as its factorization.

2278849343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 50.

The square root of 2278849343 is about 47737.2950951350. The cubic root of 2278849343 is about 1315.9474236670.

The spelling of 2278849343 in words is "two billion, two hundred seventy-eight million, eight hundred forty-nine thousand, three hundred forty-three".