213994699 has 2 divisors, whose sum is σ = 213994700. Its totient is φ = 213994698.

The previous prime is 213994673. The next prime is 213994751. The reversal of 213994699 is 996499312.

It is an a-pointer prime, because the next prime (213994751) can be obtained adding 213994699 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213994699 - 2²¹ = 211897547 is a prime.

It is not a weakly prime, because it can be changed into another prime (213994399) 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, 106997349 + 106997350.

It is an arithmetic number, because the mean of its divisors is an integer number (106997350).

Almost surely, 2^213994699 is an apocalyptic number.

213994699 is a deficient number, since it is larger than the sum of its proper divisors (1).

213994699 is an equidigital number, since it uses as much as digits as its factorization.

213994699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 944784, while the sum is 52.

The square root of 213994699 is about 14628.5576527558. The cubic root of 213994699 is about 598.1374640639.

The spelling of 213994699 in words is "two hundred thirteen million, nine hundred ninety-four thousand, six hundred ninety-nine".