2438945479 has 4 divisors (see below), whose sum is σ = 2490837984. Its totient is φ = 2387052976.

The previous prime is 2438945473. The next prime is 2438945503. The reversal of 2438945479 is 9745498342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2438945479 - 2³ = 2438945471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438945471) 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, 25946182 + ... + 25946275.

It is an arithmetic number, because the mean of its divisors is an integer number (622709496).

Almost surely, 2^2438945479 is an apocalyptic number.

2438945479 is a deficient number, since it is larger than the sum of its proper divisors (51892505).

2438945479 is an equidigital number, since it uses as much as digits as its factorization.

2438945479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51892504.

The product of its digits is 8709120, while the sum is 55.

The square root of 2438945479 is about 49385.6809105635. The cubic root of 2438945479 is about 1346.0691285137.

The spelling of 2438945479 in words is "two billion, four hundred thirty-eight million, nine hundred forty-five thousand, four hundred seventy-nine".