1843862536321 has 27 divisors (see below), whose sum is σ = 2028154383171. Its totient is φ = 1675548121104.

The previous prime is 1843862536291. The next prime is 1843862536379. The reversal of 1843862536321 is 1236352683481.

The square root of 1843862536321 is 1357889.

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., 272760730225 + 1571101806096 = 522265^2 + 1253436^2 .

It is not a de Polignac number, because 1843862536321 - 2⁵ = 1843862536289 is a prime.

It is a super-2 number, since 2×1843862536321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1843862536391) 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 in 26 ways as a sum of consecutive naturals, for example, 1182720540 + ... + 1182722098.

Almost surely, 2^{1843862536321} is an apocalyptic number.

1843862536321 is the 1357889-th square number.

1843862536321 is the 678945-th centered octagonal number.

It is an amenable number.

1843862536321 is a deficient number, since it is larger than the sum of its proper divisors (184291846850).

1843862536321 is an frugal number, since it uses more digits than its factorization.

1843862536321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278 (or 1639 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The spelling of 1843862536321 in words is "one trillion, eight hundred forty-three billion, eight hundred sixty-two million, five hundred thirty-six thousand, three hundred twenty-one".