2756537663 has 12 divisors (see below), whose sum is σ = 3031187040. Its totient is φ = 2504890080.

The previous prime is 2756537659. The next prime is 2756537683. The reversal of 2756537663 is 3667356572.

It is not a de Polignac number, because 2756537663 - 2² = 2756537659 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 (2756537683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530906 + ... + 536072.

It is an arithmetic number, because the mean of its divisors is an integer number (252598920).

Almost surely, 2^2756537663 is an apocalyptic number.

2756537663 is a deficient number, since it is larger than the sum of its proper divisors (274649377).

2756537663 is a wasteful number, since it uses less digits than its factorization.

2756537663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9598 (or 9587 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 50.

The square root of 2756537663 is about 52502.7395761402. The cubic root of 2756537663 is about 1402.1290163207.

The spelling of 2756537663 in words is "two billion, seven hundred fifty-six million, five hundred thirty-seven thousand, six hundred sixty-three".