2765138803 has 8 divisors (see below), whose sum is σ = 3200161280. Its totient is φ = 2340117000.

The previous prime is 2765138773. The next prime is 2765138819. The reversal of 2765138803 is 3088315672.

2765138803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2765138803 - 2⁹ = 2765138291 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 2765138803.

It is not an unprimeable number, because it can be changed into a prime (2765138863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499573 + ... + 2500678.

It is an arithmetic number, because the mean of its divisors is an integer number (400020160).

Almost surely, 2^2765138803 is an apocalyptic number.

2765138803 is a deficient number, since it is larger than the sum of its proper divisors (435022477).

2765138803 is an equidigital number, since it uses as much as digits as its factorization.

2765138803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000337.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2765138803 is about 52584.5871239853. The cubic root of 2765138803 is about 1403.5858422078.

The spelling of 2765138803 in words is "two billion, seven hundred sixty-five million, one hundred thirty-eight thousand, eight hundred three".