2750557813 has 2 divisors, whose sum is σ = 2750557814. Its totient is φ = 2750557812.

The previous prime is 2750557807. The next prime is 2750557861. The reversal of 2750557813 is 3187550572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2195578449 + 554979364 = 46857^2 + 23558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750557813 - 2²⁵ = 2717003381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2750557813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2750557913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375278906 + 1375278907.

It is an arithmetic number, because the mean of its divisors is an integer number (1375278907).

Almost surely, 2^2750557813 is an apocalyptic number.

It is an amenable number.

2750557813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750557813 is an equidigital number, since it uses as much as digits as its factorization.

2750557813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 2750557813 is about 52445.7606771033. The cubic root of 2750557813 is about 1401.1143870426.

The spelling of 2750557813 in words is "two billion, seven hundred fifty million, five hundred fifty-seven thousand, eight hundred thirteen".