2194964699 has 2 divisors, whose sum is σ = 2194964700. Its totient is φ = 2194964698.

The previous prime is 2194964687. The next prime is 2194964701. The reversal of 2194964699 is 9964694912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2194964699 - 2²⁴ = 2178187483 is a prime.

Together with 2194964701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2194964609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097482349 + 1097482350.

It is an arithmetic number, because the mean of its divisors is an integer number (1097482350).

Almost surely, 2^2194964699 is an apocalyptic number.

2194964699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194964699 is an equidigital number, since it uses as much as digits as its factorization.

2194964699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 59.

The square root of 2194964699 is about 46850.4503606956. The cubic root of 2194964699 is about 1299.5984359320.

The spelling of 2194964699 in words is "two billion, one hundred ninety-four million, nine hundred sixty-four thousand, six hundred ninety-nine".