2756043085 has 4 divisors (see below), whose sum is σ = 3307251708. Its totient is φ = 2204834464.

The previous prime is 2756043053. The next prime is 2756043097. The reversal of 2756043085 is 5803406572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1903227876 + 852815209 = 43626^2 + 29203^2 .

It is a cyclic number.

It is not a de Polignac number, because 2756043085 - 2⁵ = 2756043053 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275604304 + ... + 275604313.

It is an arithmetic number, because the mean of its divisors is an integer number (826812927).

Almost surely, 2^2756043085 is an apocalyptic number.

It is an amenable number.

2756043085 is a deficient number, since it is larger than the sum of its proper divisors (551208623).

2756043085 is an equidigital number, since it uses as much as digits as its factorization.

2756043085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551208622.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 2756043085 is about 52498.0293439668. The cubic root of 2756043085 is about 1402.0451546402.

The spelling of 2756043085 in words is "two billion, seven hundred fifty-six million, forty-three thousand, eighty-five".