2480639569 has 4 divisors (see below), whose sum is σ = 2480839920. Its totient is φ = 2480439220.

The previous prime is 2480639527. The next prime is 2480639587. The reversal of 2480639569 is 9659360842.

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 a de Polignac number, because none of the positive numbers 2^k-2480639569 is a prime.

It is a super-2 number, since 2×2480639569² = 12307145342577011522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2480639869) 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 3 ways as a sum of consecutive naturals, for example, 80287 + ... + 106804.

It is an arithmetic number, because the mean of its divisors is an integer number (620209980).

Almost surely, 2^2480639569 is an apocalyptic number.

It is an amenable number.

2480639569 is a deficient number, since it is larger than the sum of its proper divisors (200351).

2480639569 is a wasteful number, since it uses less digits than its factorization.

2480639569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200350.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 2480639569 is about 49806.0194052888. The cubic root of 2480639569 is about 1353.6962389870.

The spelling of 2480639569 in words is "two billion, four hundred eighty million, six hundred thirty-nine thousand, five hundred sixty-nine".