4181144819 has 2 divisors, whose sum is σ = 4181144820. Its totient is φ = 4181144818.

The previous prime is 4181144813. The next prime is 4181144833. The reversal of 4181144819 is 9184411814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4181144819 - 2¹² = 4181140723 is a prime.

It is a super-2 number, since 2×4181144819² = 34963943994901085522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4181144813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090572409 + 2090572410.

It is an arithmetic number, because the mean of its divisors is an integer number (2090572410).

Almost surely, 2^4181144819 is an apocalyptic number.

4181144819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4181144819 is an equidigital number, since it uses as much as digits as its factorization.

4181144819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 41.

The square root of 4181144819 is about 64661.7724702935. The cubic root of 4181144819 is about 1611.0106200678.

The spelling of 4181144819 in words is "four billion, one hundred eighty-one million, one hundred forty-four thousand, eight hundred nineteen".