2480643791 has 4 divisors (see below), whose sum is σ = 2626564032. Its totient is φ = 2334723552.

The previous prime is 2480643779. The next prime is 2480643797. The reversal of 2480643791 is 1973460842.

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 2480643791 - 2¹⁰ = 2480642767 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 (2480643797) 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, 72960095 + ... + 72960128.

It is an arithmetic number, because the mean of its divisors is an integer number (656641008).

Almost surely, 2^2480643791 is an apocalyptic number.

2480643791 is a deficient number, since it is larger than the sum of its proper divisors (145920241).

2480643791 is a wasteful number, since it uses less digits than its factorization.

2480643791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145920240.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2480643791 is about 49806.0617897059. The cubic root of 2480643791 is about 1353.6970069748.

The spelling of 2480643791 in words is "two billion, four hundred eighty million, six hundred forty-three thousand, seven hundred ninety-one".