2765480243 has 4 divisors (see below), whose sum is σ = 2803363608. Its totient is φ = 2727596880.

The previous prime is 2765480239. The next prime is 2765480251. The reversal of 2765480243 is 3420845672.

2765480243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2765480243 - 2² = 2765480239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2765480243.

It is not an unprimeable number, because it can be changed into a prime (2765480213) 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, 18941573 + ... + 18941718.

It is an arithmetic number, because the mean of its divisors is an integer number (700840902).

Almost surely, 2^2765480243 is an apocalyptic number.

2765480243 is a deficient number, since it is larger than the sum of its proper divisors (37883365).

2765480243 is an equidigital number, since it uses as much as digits as its factorization.

2765480243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37883364.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 2765480243 is about 52587.8336024598. The cubic root of 2765480243 is about 1403.6436115351.

The spelling of 2765480243 in words is "two billion, seven hundred sixty-five million, four hundred eighty thousand, two hundred forty-three".