2111740993 has 2 divisors, whose sum is σ = 2111740994. Its totient is φ = 2111740992.

The previous prime is 2111740933. The next prime is 2111741011. The reversal of 2111740993 is 3990471112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1803106369 + 308634624 = 42463^2 + 17568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111740993 - 2⁹ = 2111740481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111740933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055870496 + 1055870497.

It is an arithmetic number, because the mean of its divisors is an integer number (1055870497).

Almost surely, 2^2111740993 is an apocalyptic number.

It is an amenable number.

2111740993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111740993 is an equidigital number, since it uses as much as digits as its factorization.

2111740993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 2111740993 is about 45953.6831276885. The cubic root of 2111740993 is about 1282.9612820105.

The spelling of 2111740993 in words is "two billion, one hundred eleven million, seven hundred forty thousand, nine hundred ninety-three".