2042869681548 has 18 divisors (see below), whose sum is σ = 5163920584004. Its totient is φ = 680956560504.

The previous prime is 2042869681543. The next prime is 2042869681609. The reversal of 2042869681548 is 8451869682402.

2042869681548 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 8 + 6 + 9 + 6 + 81 + 548 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2042869681543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28373189986 + ... + 28373190057.

Almost surely, 2^{2042869681548} is an apocalyptic number.

It is an amenable number.

2042869681548 is an abundant number, since it is smaller than the sum of its proper divisors (3121050902456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2042869681548 is a wasteful number, since it uses less digits than its factorization.

2042869681548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56746380053 (or 56746380048 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 63.

The spelling of 2042869681548 in words is "two trillion, forty-two billion, eight hundred sixty-nine million, six hundred eighty-one thousand, five hundred forty-eight".