1827443113 has 2 divisors, whose sum is σ = 1827443114. Its totient is φ = 1827443112.

The previous prime is 1827443083. The next prime is 1827443183. The reversal of 1827443113 is 3113447281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1615798809 + 211644304 = 40197^2 + 14548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1827443113 is a prime.

It is a super-2 number, since 2×1827443113² = 6679096662502261538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1827443183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913721556 + 913721557.

It is an arithmetic number, because the mean of its divisors is an integer number (913721557).

Almost surely, 2^1827443113 is an apocalyptic number.

It is an amenable number.

1827443113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1827443113 is an equidigital number, since it uses as much as digits as its factorization.

1827443113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 1827443113 is about 42748.6036380137. The cubic root of 1827443113 is about 1222.5912657778.

The spelling of 1827443113 in words is "one billion, eight hundred twenty-seven million, four hundred forty-three thousand, one hundred thirteen".