1810150949 has 2 divisors, whose sum is σ = 1810150950. Its totient is φ = 1810150948.

The previous prime is 1810150921. The next prime is 1810150981. The reversal of 1810150949 is 9490510181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1491349924 + 318801025 = 38618^2 + 17855^2 .

It is an emirp because it is prime and its reverse (9490510181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1810150949 - 2¹⁶ = 1810085413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1810150649) 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, 905075474 + 905075475.

It is an arithmetic number, because the mean of its divisors is an integer number (905075475).

Almost surely, 2^1810150949 is an apocalyptic number.

It is an amenable number.

1810150949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1810150949 is an equidigital number, since it uses as much as digits as its factorization.

1810150949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 1810150949 is about 42545.8687653690. The cubic root of 1810150949 is about 1218.7227852297.

The spelling of 1810150949 in words is "one billion, eight hundred ten million, one hundred fifty thousand, nine hundred forty-nine".