219815340206 has 96 divisors (see below), whose sum is σ = 425640282624. Its totient is φ = 82710331200.

The previous prime is 219815340203. The next prime is 219815340253. The reversal of 219815340206 is 602043518912.

219815340206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219815340203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90719111 + ... + 90721533.

It is an arithmetic number, because the mean of its divisors is an integer number (4433752944).

Almost surely, 2^219815340206 is an apocalyptic number.

219815340206 is a deficient number, since it is larger than the sum of its proper divisors (205824942418).

219815340206 is a wasteful number, since it uses less digits than its factorization.

219815340206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 219815340206 in words is "two hundred nineteen billion, eight hundred fifteen million, three hundred forty thousand, two hundred six".