1942792733281 has 9 divisors (see below), whose sum is σ = 1949142799569. Its totient is φ = 1936463301300.

The previous prime is 1942792733267. The next prime is 1942792733291. The reversal of 1942792733281 is 1823372972491.

The square root of 1942792733281 is 1393841.

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

It is not a de Polignac number, because 1942792733281 - 2¹¹ = 1942792731233 is a prime.

It is a super-2 number, since 2×1942792733281² (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 (1942792733291) 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, 461359266 + ... + 461363476.

Almost surely, 2^{1942792733281} is an apocalyptic number.

1942792733281 is the 1393841-st square number.

1942792733281 is the 696921-st centered octagonal number.

It is an amenable number.

1942792733281 is a deficient number, since it is larger than the sum of its proper divisors (6350066288).

1942792733281 is an frugal number, since it uses more digits than its factorization.

1942792733281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084 (or 4542 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 58.

The spelling of 1942792733281 in words is "one trillion, nine hundred forty-two billion, seven hundred ninety-two million, seven hundred thirty-three thousand, two hundred eighty-one".