10181219 has 2 divisors, whose sum is σ = 10181220. Its totient is φ = 10181218.

The previous prime is 10181201. The next prime is 10181231. The reversal of 10181219 is 91218101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10181219 is a prime.

It is a super-2 number, since 2×10181219² = 207314440651922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10181194 and 10181203.

It is not a weakly prime, because it can be changed into another prime (10181279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5090609 + 5090610.

It is an arithmetic number, because the mean of its divisors is an integer number (5090610).

Almost surely, 2^10181219 is an apocalyptic number.

10181219 is a deficient number, since it is larger than the sum of its proper divisors (1).

10181219 is an equidigital number, since it uses as much as digits as its factorization.

10181219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 10181219 is about 3190.8022502186. The cubic root of 10181219 is about 216.7371008351.

The spelling of 10181219 in words is "ten million, one hundred eighty-one thousand, two hundred nineteen".