2438640943 has 8 divisors (see below), whose sum is σ = 2523926880. Its totient is φ = 2353434720.

The previous prime is 2438640931. The next prime is 2438640989. The reversal of 2438640943 is 3490468342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2438640943 - 2²⁵ = 2405086511 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 2438640943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438640143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46078 + ... + 83668.

It is an arithmetic number, because the mean of its divisors is an integer number (315490860).

Almost surely, 2^2438640943 is an apocalyptic number.

2438640943 is a deficient number, since it is larger than the sum of its proper divisors (85285937).

2438640943 is a wasteful number, since it uses less digits than its factorization.

2438640943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39857.

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 2438640943 is about 49382.5975724242. The cubic root of 2438640943 is about 1346.0131010797.

The spelling of 2438640943 in words is "two billion, four hundred thirty-eight million, six hundred forty thousand, nine hundred forty-three".