219820988273 has 12 divisors (see below), whose sum is σ = 233591925420. Its totient is φ = 206859411968.

The previous prime is 219820988269. The next prime is 219820988339. The reversal of 219820988273 is 372889028912.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 36074164624 + 183746823649 = 189932^2 + 428657^2 .

It is not a de Polignac number, because 219820988273 - 2² = 219820988269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219820988773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32859713 + ... + 32866401.

It is an arithmetic number, because the mean of its divisors is an integer number (19465993785).

Almost surely, 2^219820988273 is an apocalyptic number.

It is an amenable number.

219820988273 is a deficient number, since it is larger than the sum of its proper divisors (13770937147).

219820988273 is an frugal number, since it uses more digits than its factorization.

219820988273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13429 (or 6706 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 219820988273 in words is "two hundred nineteen billion, eight hundred twenty million, nine hundred eighty-eight thousand, two hundred seventy-three".