2781873424 has 20 divisors (see below), whose sum is σ = 5879869200. Its totient is φ = 1264487840.

The previous prime is 2781873407. The next prime is 2781873427. The reversal of 2781873424 is 4243781872.

It is not an unprimeable number, because it can be changed into a prime (2781873427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7902874 + ... + 7903225.

It is an arithmetic number, because the mean of its divisors is an integer number (293993460).

Almost surely, 2^2781873424 is an apocalyptic number.

It is an amenable number.

2781873424 is an abundant number, since it is smaller than the sum of its proper divisors (3097995776).

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

2781873424 is a wasteful number, since it uses less digits than its factorization.

2781873424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15806118 (or 15806112 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 2781873424 is about 52743.4680695155. The cubic root of 2781873424 is about 1406.4116499238.

The spelling of 2781873424 in words is "two billion, seven hundred eighty-one million, eight hundred seventy-three thousand, four hundred twenty-four".