1812286741 has 2 divisors, whose sum is σ = 1812286742. Its totient is φ = 1812286740.

The previous prime is 1812286727. The next prime is 1812286757. The reversal of 1812286741 is 1476822181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1670438641 + 141848100 = 40871^2 + 11910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1812286741 - 2¹³ = 1812278549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1812286694 and 1812286703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1812286711) 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, 906143370 + 906143371.

It is an arithmetic number, because the mean of its divisors is an integer number (906143371).

Almost surely, 2^1812286741 is an apocalyptic number.

It is an amenable number.

1812286741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1812286741 is an equidigital number, since it uses as much as digits as its factorization.

1812286741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 40.

The square root of 1812286741 is about 42570.9612412029. The cubic root of 1812286741 is about 1219.2019193619.

The spelling of 1812286741 in words is "one billion, eight hundred twelve million, two hundred eighty-six thousand, seven hundred forty-one".