2642382479 has 4 divisors (see below), whose sum is σ = 2882599080. Its totient is φ = 2402165880.

The previous prime is 2642382467. The next prime is 2642382487. The reversal of 2642382479 is 9742832462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642382479 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 (2642382409) 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, 120108284 + ... + 120108305.

It is an arithmetic number, because the mean of its divisors is an integer number (720649770).

Almost surely, 2^2642382479 is an apocalyptic number.

2642382479 is a deficient number, since it is larger than the sum of its proper divisors (240216601).

2642382479 is a wasteful number, since it uses less digits than its factorization.

2642382479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240216600.

The product of its digits is 1161216, while the sum is 47.

The square root of 2642382479 is about 51404.1095536145. The cubic root of 2642382479 is about 1382.5002770138.

The spelling of 2642382479 in words is "two billion, six hundred forty-two million, three hundred eighty-two thousand, four hundred seventy-nine".