2681742241 has 4 divisors (see below), whose sum is σ = 2681889984. Its totient is φ = 2681594500.

The previous prime is 2681742233. The next prime is 2681742253. The reversal of 2681742241 is 1422471862.

2681742241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2681742241 - 2³ = 2681742233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2681742241.

It is not an unprimeable number, because it can be changed into a prime (2681742211) 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, 42085 + ... + 84466.

It is an arithmetic number, because the mean of its divisors is an integer number (670472496).

Almost surely, 2^2681742241 is an apocalyptic number.

It is an amenable number.

2681742241 is a deficient number, since it is larger than the sum of its proper divisors (147743).

2681742241 is a wasteful number, since it uses less digits than its factorization.

2681742241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147742.

The product of its digits is 43008, while the sum is 37.

The square root of 2681742241 is about 51785.5408487736. The cubic root of 2681742241 is about 1389.3308445220.

The spelling of 2681742241 in words is "two billion, six hundred eighty-one million, seven hundred forty-two thousand, two hundred forty-one".