1806124349 has 2 divisors, whose sum is σ = 1806124350. Its totient is φ = 1806124348.

The previous prime is 1806124303. The next prime is 1806124357. The reversal of 1806124349 is 9434216081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1714788100 + 91336249 = 41410^2 + 9557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1806124349 - 2⁸ = 1806124093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1806154349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903062174 + 903062175.

It is an arithmetic number, because the mean of its divisors is an integer number (903062175).

Almost surely, 2^1806124349 is an apocalyptic number.

It is an amenable number.

1806124349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1806124349 is an equidigital number, since it uses as much as digits as its factorization.

1806124349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1806124349 is about 42498.5217272319. The cubic root of 1806124349 is about 1217.8184495314.

The spelling of 1806124349 in words is "one billion, eight hundred six million, one hundred twenty-four thousand, three hundred forty-nine".