2750668757 has 2 divisors, whose sum is σ = 2750668758. Its totient is φ = 2750668756.

The previous prime is 2750668717. The next prime is 2750668769. The reversal of 2750668757 is 7578660572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1867449796 + 883218961 = 43214^2 + 29719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750668757 is a prime.

It is a super-3 number, since 3×2750668757³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2750668699 and 2750668708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2750668717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375334378 + 1375334379.

It is an arithmetic number, because the mean of its divisors is an integer number (1375334379).

Almost surely, 2^2750668757 is an apocalyptic number.

It is an amenable number.

2750668757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750668757 is an equidigital number, since it uses as much as digits as its factorization.

2750668757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The square root of 2750668757 is about 52446.8183687056. The cubic root of 2750668757 is about 1401.1332248148.

The spelling of 2750668757 in words is "two billion, seven hundred fifty million, six hundred sixty-eight thousand, seven hundred fifty-seven".