1814369873 has 2 divisors, whose sum is σ = 1814369874. Its totient is φ = 1814369872.

The previous prime is 1814369867. The next prime is 1814369899. The reversal of 1814369873 is 3789634181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1753264384 + 61105489 = 41872^2 + 7817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1814369873 - 2¹⁰ = 1814368849 is a prime.

It is a super-2 number, since 2×1814369873² = 6583876072100072258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1814369173) 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, 907184936 + 907184937.

It is an arithmetic number, because the mean of its divisors is an integer number (907184937).

Almost surely, 2^1814369873 is an apocalyptic number.

It is an amenable number.

1814369873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1814369873 is an equidigital number, since it uses as much as digits as its factorization.

1814369873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 1814369873 is about 42595.4207984849. The cubic root of 1814369873 is about 1219.6688774850.

The spelling of 1814369873 in words is "one billion, eight hundred fourteen million, three hundred sixty-nine thousand, eight hundred seventy-three".