213552199999 has 4 divisors (see below), whose sum is σ = 213570834664. Its totient is φ = 213533565336.

The previous prime is 213552199979. The next prime is 213552200009. The reversal of 213552199999 is 999991255312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213552199999 - 2²³ = 213543811391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213552199999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213552199979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9300132 + ... + 9323065.

It is an arithmetic number, because the mean of its divisors is an integer number (53392708666).

Almost surely, 2^213552199999 is an apocalyptic number.

213552199999 is a deficient number, since it is larger than the sum of its proper divisors (18634665).

213552199999 is a wasteful number, since it uses less digits than its factorization.

213552199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18634664.

The product of its digits is 17714700, while the sum is 64.

The spelling of 213552199999 in words is "two hundred thirteen billion, five hundred fifty-two million, one hundred ninety-nine thousand, nine hundred ninety-nine".