2293740991 has 2 divisors, whose sum is σ = 2293740992. Its totient is φ = 2293740990.

The previous prime is 2293740949. The next prime is 2293741013. The reversal of 2293740991 is 1990473922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2293740991 - 2⁹ = 2293740479 is a prime.

It is a super-2 number, since 2×2293740991² = 10522495467587324162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2293740901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146870495 + 1146870496.

It is an arithmetic number, because the mean of its divisors is an integer number (1146870496).

Almost surely, 2^2293740991 is an apocalyptic number.

2293740991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293740991 is an equidigital number, since it uses as much as digits as its factorization.

2293740991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 2293740991 is about 47893.0160983833. The cubic root of 2293740991 is about 1318.8076528152.

The spelling of 2293740991 in words is "two billion, two hundred ninety-three million, seven hundred forty thousand, nine hundred ninety-one".