213053699 has 2 divisors, whose sum is σ = 213053700. Its totient is φ = 213053698.

The previous prime is 213053683. The next prime is 213053767. The reversal of 213053699 is 996350312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213053699 - 2⁴ = 213053683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213053609) 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, 106526849 + 106526850.

It is an arithmetic number, because the mean of its divisors is an integer number (106526850).

Almost surely, 2^213053699 is an apocalyptic number.

213053699 is a deficient number, since it is larger than the sum of its proper divisors (1).

213053699 is an equidigital number, since it uses as much as digits as its factorization.

213053699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 213053699 is about 14596.3591008169. The cubic root of 213053699 is about 597.2594448395.

The spelling of 213053699 in words is "two hundred thirteen million, fifty-three thousand, six hundred ninety-nine".