1800662248149 has 16 divisors (see below), whose sum is σ = 2637125491200. Its totient is φ = 1087814263536.

The previous prime is 1800662248129. The next prime is 1800662248171. The reversal of 1800662248149 is 9418422660081.

It is not a de Polignac number, because 1800662248149 - 2¹⁷ = 1800662117077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800662248129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686750119 + ... + 686752740.

It is an arithmetic number, because the mean of its divisors is an integer number (164820343200).

Almost surely, 2^{1800662248149} is an apocalyptic number.

1800662248149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1800662248149 is a deficient number, since it is larger than the sum of its proper divisors (836463243051).

1800662248149 is a wasteful number, since it uses less digits than its factorization.

1800662248149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373502904.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 1800662248149 in words is "one trillion, eight hundred billion, six hundred sixty-two million, two hundred forty-eight thousand, one hundred forty-nine".