2756867253 has 12 divisors (see below), whose sum is σ = 4275957600. Its totient is φ = 1575352632.

The previous prime is 2756867251. The next prime is 2756867261. The reversal of 2756867253 is 3527686572.

It is a happy number.

It is not a de Polignac number, because 2756867253 - 2¹ = 2756867251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2756867196 and 2756867205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756867251) 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, 9376953 + ... + 9377246.

It is an arithmetic number, because the mean of its divisors is an integer number (356329800).

Almost surely, 2^2756867253 is an apocalyptic number.

It is an amenable number.

2756867253 is a deficient number, since it is larger than the sum of its proper divisors (1519090347).

2756867253 is a wasteful number, since it uses less digits than its factorization.

2756867253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18754216 (or 18754209 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 51.

The square root of 2756867253 is about 52505.8782709136. The cubic root of 2756867253 is about 1402.1848967211.

The spelling of 2756867253 in words is "two billion, seven hundred fifty-six million, eight hundred sixty-seven thousand, two hundred fifty-three".