2281790293 has 2 divisors, whose sum is σ = 2281790294. Its totient is φ = 2281790292.

The previous prime is 2281790243. The next prime is 2281790297. The reversal of 2281790293 is 3920971822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1966301649 + 315488644 = 44343^2 + 17762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2281790293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281790297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140895146 + 1140895147.

It is an arithmetic number, because the mean of its divisors is an integer number (1140895147).

Almost surely, 2^2281790293 is an apocalyptic number.

It is an amenable number.

2281790293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281790293 is an equidigital number, since it uses as much as digits as its factorization.

2281790293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2281790293 is about 47768.0886471293. The cubic root of 2281790293 is about 1316.5132753066.

The spelling of 2281790293 in words is "two billion, two hundred eighty-one million, seven hundred ninety thousand, two hundred ninety-three".