1884494727361 has 9 divisors (see below), whose sum is σ = 1988926395393. Its totient is φ = 1785286084500.

The previous prime is 1884494727347. The next prime is 1884494727419. The reversal of 1884494727361 is 1637274944881.

The square root of 1884494727361 is 1372769.

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

It is not a de Polignac number, because 1884494727361 - 2⁵ = 1884494727329 is a prime.

It is a super-3 number, since 3×1884494727361³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1884494727293 and 1884494727302.

It is not an unprimeable number, because it can be changed into a prime (1884494727301) 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, 26046486 + ... + 26118736.

Almost surely, 2^{1884494727361} is an apocalyptic number.

1884494727361 is the 1372769-th square number.

1884494727361 is the 686385-th centered octagonal number.

It is an amenable number.

1884494727361 is a deficient number, since it is larger than the sum of its proper divisors (104431668032).

1884494727361 is an frugal number, since it uses more digits than its factorization.

1884494727361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144540 (or 72270 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 64.

Multiplying 1884494727361 by its sum of digits (64), we get a square (120607662551104 = 10982152²).

The spelling of 1884494727361 in words is "one trillion, eight hundred eighty-four billion, four hundred ninety-four million, seven hundred twenty-seven thousand, three hundred sixty-one".