219705649214 has 4 divisors (see below), whose sum is σ = 329558473824. Its totient is φ = 109852824606.

The previous prime is 219705649183. The next prime is 219705649249. The reversal of 219705649214 is 412946507912.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54926412302 + ... + 54926412305.

It is an arithmetic number, because the mean of its divisors is an integer number (82389618456).

Almost surely, 2^219705649214 is an apocalyptic number.

219705649214 is a deficient number, since it is larger than the sum of its proper divisors (109852824610).

219705649214 is a wasteful number, since it uses less digits than its factorization.

219705649214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109852824609.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 219705649214 in words is "two hundred nineteen billion, seven hundred five million, six hundred forty-nine thousand, two hundred fourteen".