1827461149 has 2 divisors, whose sum is σ = 1827461150. Its totient is φ = 1827461148.

The previous prime is 1827461089. The next prime is 1827461177. The reversal of 1827461149 is 9411647281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1754101924 + 73359225 = 41882^2 + 8565^2 .

It is an emirp because it is prime and its reverse (9411647281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1827461149 - 2¹⁵ = 1827428381 is a prime.

It is a super-2 number, since 2×1827461149² = 6679228502208800402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1827461179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913730574 + 913730575.

It is an arithmetic number, because the mean of its divisors is an integer number (913730575).

Almost surely, 2^1827461149 is an apocalyptic number.

It is an amenable number.

1827461149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1827461149 is an equidigital number, since it uses as much as digits as its factorization.

1827461149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 1827461149 is about 42748.8145917521. The cubic root of 1827461149 is about 1222.5952878973.

The spelling of 1827461149 in words is "one billion, eight hundred twenty-seven million, four hundred sixty-one thousand, one hundred forty-nine".