1823901569361 has 27 divisors (see below), whose sum is σ = 2674830734121. Its totient is φ = 1197607836744.

The previous prime is 1823901569351. The next prime is 1823901569377. The reversal of 1823901569361 is 1639651093281.

The square root of 1823901569361 is 1350519.

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

1823901569361 is a `hidden beast` number, since 18 + 2 + 3 + 9 + 0 + 1 + 569 + 3 + 61 = 666.

It is not a de Polignac number, because 1823901569361 - 2²⁵ = 1823868014929 is a prime.

It is a super-3 number, since 3×1823901569361³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1823901569298 and 1823901569307.

It is not an unprimeable number, because it can be changed into a prime (1823901569311) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 271450960 + ... + 271457678.

Almost surely, 2^{1823901569361} is an apocalyptic number.

1823901569361 is the 1350519-th square number.

1823901569361 is the 675260-th centered octagonal number.

It is an amenable number.

1823901569361 is a deficient number, since it is larger than the sum of its proper divisors (850929164760).

1823901569361 is an frugal number, since it uses more digits than its factorization.

1823901569361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13578 (or 6789 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 1823901569361 in words is "one trillion, eight hundred twenty-three billion, nine hundred one million, five hundred sixty-nine thousand, three hundred sixty-one".