1841750149 has 2 divisors, whose sum is σ = 1841750150. Its totient is φ = 1841750148.

The previous prime is 1841750143. The next prime is 1841750167. The reversal of 1841750149 is 9410571481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1817316900 + 24433249 = 42630^2 + 4943^2 .

It is a cyclic number.

It is not a de Polignac number, because 1841750149 - 2²⁹ = 1304879237 is a prime.

It is a super-2 number, since 2×1841750149² = 6784087222683044402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1841750143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920875074 + 920875075.

It is an arithmetic number, because the mean of its divisors is an integer number (920875075).

Almost surely, 2^1841750149 is an apocalyptic number.

It is an amenable number.

1841750149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1841750149 is an equidigital number, since it uses as much as digits as its factorization.

1841750149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1841750149 is about 42915.6166098077. The cubic root of 1841750149 is about 1225.7735276123.

The spelling of 1841750149 in words is "one billion, eight hundred forty-one million, seven hundred fifty thousand, one hundred forty-nine".