1810974241 has 2 divisors, whose sum is σ = 1810974242. Its totient is φ = 1810974240.

The previous prime is 1810974239. The next prime is 1810974247. The reversal of 1810974241 is 1424790181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1680672016 + 130302225 = 40996^2 + 11415^2 .

It is an emirp because it is prime and its reverse (1424790181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1810974241 - 2¹ = 1810974239 is a prime.

Together with 1810974239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1810974241.

It is not a weakly prime, because it can be changed into another prime (1810974247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905487120 + 905487121.

It is an arithmetic number, because the mean of its divisors is an integer number (905487121).

Almost surely, 2^1810974241 is an apocalyptic number.

It is an amenable number.

1810974241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1810974241 is an equidigital number, since it uses as much as digits as its factorization.

1810974241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1810974241 is about 42555.5430114574. The cubic root of 1810974241 is about 1218.9075235322.

The spelling of 1810974241 in words is "one billion, eight hundred ten million, nine hundred seventy-four thousand, two hundred forty-one".