1199894699 has 2 divisors, whose sum is σ = 1199894700. Its totient is φ = 1199894698.

The previous prime is 1199894693. The next prime is 1199894701. The reversal of 1199894699 is 9964989911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1199894699 - 2²⁰ = 1198846123 is a prime.

Together with 1199894701, 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 (1199894693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599947349 + 599947350.

It is an arithmetic number, because the mean of its divisors is an integer number (599947350).

Almost surely, 2^1199894699 is an apocalyptic number.

1199894699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199894699 is an equidigital number, since it uses as much as digits as its factorization.

1199894699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11337408, while the sum is 65.

The square root of 1199894699 is about 34639.4962290158. The cubic root of 1199894699 is about 1062.6274852150.

The spelling of 1199894699 in words is "one billion, one hundred ninety-nine million, eight hundred ninety-four thousand, six hundred ninety-nine".