219134648203 has 4 divisors (see below), whose sum is σ = 230668050760. Its totient is φ = 207601245648.

The previous prime is 219134648179. The next prime is 219134648209. The reversal of 219134648203 is 302846431912.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219134648203 is a prime.

It is a super-2 number, since 2×219134648203² (a number of 23 digits) contains 22 as substring.

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 219134648203.

It is not an unprimeable number, because it can be changed into a prime (219134648209) 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, 5766701250 + ... + 5766701287.

It is an arithmetic number, because the mean of its divisors is an integer number (57667012690).

Almost surely, 2^219134648203 is an apocalyptic number.

219134648203 is a deficient number, since it is larger than the sum of its proper divisors (11533402557).

219134648203 is a wasteful number, since it uses less digits than its factorization.

219134648203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11533402556.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 219134648203 in words is "two hundred nineteen billion, one hundred thirty-four million, six hundred forty-eight thousand, two hundred three".