2520779343 has 32 divisors (see below), whose sum is σ = 3632240640. Its totient is φ = 1549808640.

The previous prime is 2520779299. The next prime is 2520779351. The reversal of 2520779343 is 3439770252.

It is not a de Polignac number, because 2520779343 - 2²⁰ = 2519730767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2520779295 and 2520779304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520774343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1417671 + ... + 1419447.

It is an arithmetic number, because the mean of its divisors is an integer number (113507520).

Almost surely, 2^2520779343 is an apocalyptic number.

2520779343 is a deficient number, since it is larger than the sum of its proper divisors (1111461297).

2520779343 is a wasteful number, since it uses less digits than its factorization.

2520779343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447.

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 2520779343 is about 50207.3634340621. The cubic root of 2520779343 is about 1360.9586923708.

The spelling of 2520779343 in words is "two billion, five hundred twenty million, seven hundred seventy-nine thousand, three hundred forty-three".