234821863219 has 2 divisors, whose sum is σ = 234821863220. Its totient is φ = 234821863218.

The previous prime is 234821863187. The next prime is 234821863231. The reversal of 234821863219 is 912368128432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234821863219 - 2⁵ = 234821863187 is a prime.

It is a super-2 number, since 2×234821863219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234821863519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117410931609 + 117410931610.

It is an arithmetic number, because the mean of its divisors is an integer number (117410931610).

Almost surely, 2^234821863219 is an apocalyptic number.

234821863219 is a deficient number, since it is larger than the sum of its proper divisors (1).

234821863219 is an equidigital number, since it uses as much as digits as its factorization.

234821863219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 49.

The spelling of 234821863219 in words is "two hundred thirty-four billion, eight hundred twenty-one million, eight hundred sixty-three thousand, two hundred nineteen".