1842271433809 has 9 divisors (see below), whose sum is σ = 1944363551067. Its totient is φ = 1745285347944.

The previous prime is 1842271433801. The next prime is 1842271433813. The reversal of 1842271433809 is 9083341722481.

The square root of 1842271433809 is 1357303.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1420327650625 + 421943783184 = 1191775^2 + 649572^2 .

It is not a de Polignac number, because 1842271433809 - 2³ = 1842271433801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1842271433801) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25753039 + ... + 25824475.

It is an arithmetic number, because the mean of its divisors is an integer number (216040394563).

Almost surely, 2^{1842271433809} is an apocalyptic number.

1842271433809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1842271433809 is the 1357303-rd square number.

1842271433809 is the 678652-nd centered octagonal number.

It is an amenable number.

1842271433809 is a deficient number, since it is larger than the sum of its proper divisors (102092117258).

1842271433809 is an frugal number, since it uses more digits than its factorization.

1842271433809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142912 (or 71456 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 1842271433809 in words is "one trillion, eight hundred forty-two billion, two hundred seventy-one million, four hundred thirty-three thousand, eight hundred nine".