219229812813 has 16 divisors (see below), whose sum is σ = 320309692416. Its totient is φ = 132270734640.

The previous prime is 219229812779. The next prime is 219229812821. The reversal of 219229812813 is 318218922912.

219229812813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 219229812813 - 2¹⁰ = 219229811789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219229812913) 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 15 ways as a sum of consecutive naturals, for example, 14887995 + ... + 14902712.

It is an arithmetic number, because the mean of its divisors is an integer number (20019355776).

Almost surely, 2^219229812813 is an apocalyptic number.

It is an amenable number.

219229812813 is a deficient number, since it is larger than the sum of its proper divisors (101079879603).

219229812813 is a wasteful number, since it uses less digits than its factorization.

219229812813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29790944.

The product of its digits is 248832, while the sum is 48.

The spelling of 219229812813 in words is "two hundred nineteen billion, two hundred twenty-nine million, eight hundred twelve thousand, eight hundred thirteen".