2293068991 has 2 divisors, whose sum is σ = 2293068992. Its totient is φ = 2293068990.

The previous prime is 2293068949. The next prime is 2293068997. The reversal of 2293068991 is 1998603922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2293068991 - 2⁷ = 2293068863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2293068997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146534495 + 1146534496.

It is an arithmetic number, because the mean of its divisors is an integer number (1146534496).

Almost surely, 2^2293068991 is an apocalyptic number.

2293068991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293068991 is an equidigital number, since it uses as much as digits as its factorization.

2293068991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 2293068991 is about 47885.9999477927. Note that the first 4 decimals coincide. The cubic root of 2293068991 is about 1318.6788493586.

The spelling of 2293068991 in words is "two billion, two hundred ninety-three million, sixty-eight thousand, nine hundred ninety-one".