2114196991 has 2 divisors, whose sum is σ = 2114196992. Its totient is φ = 2114196990.

The previous prime is 2114196967. The next prime is 2114197003. The reversal of 2114196991 is 1996914112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2114196991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2114196941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057098495 + 1057098496.

It is an arithmetic number, because the mean of its divisors is an integer number (1057098496).

Almost surely, 2^2114196991 is an apocalyptic number.

2114196991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2114196991 is an equidigital number, since it uses as much as digits as its factorization.

2114196991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 43.

The square root of 2114196991 is about 45980.3978995398. The cubic root of 2114196991 is about 1283.4584593951.

The spelling of 2114196991 in words is "two billion, one hundred fourteen million, one hundred ninety-six thousand, nine hundred ninety-one".