213596209209 has 16 divisors (see below), whose sum is σ = 286084573632. Its totient is φ = 141753657408.

The previous prime is 213596209159. The next prime is 213596209217. The reversal of 213596209209 is 902902695312.

It is a happy number.

It is not a de Polignac number, because 213596209209 - 2²⁵ = 213562654777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213596209009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735859 + ... + 984215.

It is an arithmetic number, because the mean of its divisors is an integer number (17880285852).

Almost surely, 2^213596209209 is an apocalyptic number.

It is an amenable number.

213596209209 is a deficient number, since it is larger than the sum of its proper divisors (72488364423).

213596209209 is a wasteful number, since it uses less digits than its factorization.

213596209209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249656.

The product of its (nonzero) digits is 524880, while the sum is 48.

The spelling of 213596209209 in words is "two hundred thirteen billion, five hundred ninety-six million, two hundred nine thousand, two hundred nine".