219391330253 has 2 divisors, whose sum is σ = 219391330254. Its totient is φ = 219391330252.

The previous prime is 219391330231. The next prime is 219391330283. The reversal of 219391330253 is 352033193912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176053250569 + 43338079684 = 419587^2 + 208178^2 .

It is a cyclic number.

It is not a de Polignac number, because 219391330253 - 2²² = 219387135949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 219391330253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219391330283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109695665126 + 109695665127.

It is an arithmetic number, because the mean of its divisors is an integer number (109695665127).

Almost surely, 2^219391330253 is an apocalyptic number.

It is an amenable number.

219391330253 is a deficient number, since it is larger than the sum of its proper divisors (1).

219391330253 is an equidigital number, since it uses as much as digits as its factorization.

219391330253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 41.

The spelling of 219391330253 in words is "two hundred nineteen billion, three hundred ninety-one million, three hundred thirty thousand, two hundred fifty-three".