219135788323211 has 2 divisors, whose sum is σ = 219135788323212. Its totient is φ = 219135788323210.

The previous prime is 219135788323159. The next prime is 219135788323229. The reversal of 219135788323211 is 112323887531912.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219135788323211 is a prime.

It is not a weakly prime, because it can be changed into another prime (219135788323411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109567894161605 + 109567894161606.

It is an arithmetic number, because the mean of its divisors is an integer number (109567894161606).

Almost surely, 2^{219135788323211} is an apocalyptic number.

219135788323211 is a deficient number, since it is larger than the sum of its proper divisors (1).

219135788323211 is an equidigital number, since it uses as much as digits as its factorization.

219135788323211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The spelling of 219135788323211 in words is "two hundred nineteen trillion, one hundred thirty-five billion, seven hundred eighty-eight million, three hundred twenty-three thousand, two hundred eleven".