2443742873 has 16 divisors (see below), whose sum is σ = 2887987200. Its totient is φ = 2050673040.

The previous prime is 2443742869. The next prime is 2443742881. The reversal of 2443742873 is 3782473442.

It is a happy number.

It is not a de Polignac number, because 2443742873 - 2² = 2443742869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2443442873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26393 + ... + 74726.

It is an arithmetic number, because the mean of its divisors is an integer number (180499200).

Almost surely, 2^2443742873 is an apocalyptic number.

It is an amenable number.

2443742873 is a deficient number, since it is larger than the sum of its proper divisors (444244327).

2443742873 is a wasteful number, since it uses less digits than its factorization.

2443742873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101169 (or 101143 counting only the distinct ones).

The product of its digits is 903168, while the sum is 44.

The square root of 2443742873 is about 49434.2277475840. The cubic root of 2443742873 is about 1346.9511209702.

The spelling of 2443742873 in words is "two billion, four hundred forty-three million, seven hundred forty-two thousand, eight hundred seventy-three".