213868880803 has 4 divisors (see below), whose sum is σ = 215945277808. Its totient is φ = 211792483800.

The previous prime is 213868880801. The next prime is 213868880833. The reversal of 213868880803 is 308088868312.

It is a happy number.

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 213868880803 - 2¹ = 213868880801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213868880801) 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, 1038198348 + ... + 1038198553.

It is an arithmetic number, because the mean of its divisors is an integer number (53986319452).

Almost surely, 2^213868880803 is an apocalyptic number.

213868880803 is a deficient number, since it is larger than the sum of its proper divisors (2076397005).

213868880803 is a wasteful number, since it uses less digits than its factorization.

213868880803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076397004.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 213868880803 in words is "two hundred thirteen billion, eight hundred sixty-eight million, eight hundred eighty thousand, eight hundred three".