2794393825281 has 28 divisors (see below), whose sum is σ = 4248683717760. Its totient is φ = 1836690743160.

The previous prime is 2794393825271. The next prime is 2794393825337. The reversal of 2794393825281 is 1825283934972.

2794393825281 is a `hidden beast` number, since 2 + 7 + 94 + 393 + 82 + 5 + 2 + 81 = 666.

It is not a de Polignac number, because 2794393825281 - 2⁶ = 2794393825217 is a prime.

It is a super-2 number, since 2×2794393825281² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2794393825231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26942521 + ... + 27046038.

Almost surely, 2^{2794393825281} is an apocalyptic number.

It is an amenable number.

2794393825281 is a deficient number, since it is larger than the sum of its proper divisors (1454289892479).

2794393825281 is an frugal number, since it uses more digits than its factorization.

2794393825281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53988648 (or 53988633 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 2794393825281 in words is "two trillion, seven hundred ninety-four billion, three hundred ninety-three million, eight hundred twenty-five thousand, two hundred eighty-one".