2294147993 has 2 divisors, whose sum is σ = 2294147994. Its totient is φ = 2294147992.

The previous prime is 2294147969. The next prime is 2294148013. The reversal of 2294147993 is 3997414922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1768454809 + 525693184 = 42053^2 + 22928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2294147993 - 2¹⁶ = 2294082457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2294140993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1147073996 + 1147073997.

It is an arithmetic number, because the mean of its divisors is an integer number (1147073997).

Almost surely, 2^2294147993 is an apocalyptic number.

It is an amenable number.

2294147993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2294147993 is an equidigital number, since it uses as much as digits as its factorization.

2294147993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 2294147993 is about 47897.2649845479. The cubic root of 2294147993 is about 1318.8856513934.

The spelling of 2294147993 in words is "two billion, two hundred ninety-four million, one hundred forty-seven thousand, nine hundred ninety-three".