213609199 has 16 divisors (see below), whose sum is σ = 231130368. Its totient is φ = 196682112.

The previous prime is 213609181. The next prime is 213609269. The reversal of 213609199 is 991906312.

It is not a de Polignac number, because 213609199 - 2¹³ = 213601007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213604199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189652 + ... + 190774.

It is an arithmetic number, because the mean of its divisors is an integer number (14445648).

Almost surely, 2^213609199 is an apocalyptic number.

213609199 is a deficient number, since it is larger than the sum of its proper divisors (17521169).

213609199 is a wasteful number, since it uses less digits than its factorization.

213609199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 213609199 is about 14615.3754313736. The cubic root of 213609199 is about 597.7780772931.

The spelling of 213609199 in words is "two hundred thirteen million, six hundred nine thousand, one hundred ninety-nine".