2750734388821 has 2 divisors, whose sum is σ = 2750734388822. Its totient is φ = 2750734388820.

The previous prime is 2750734388803. The next prime is 2750734388867. The reversal of 2750734388821 is 1288834370572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2695080388900 + 55653999921 = 1641670^2 + 235911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750734388821 - 2²⁵ = 2750700834389 is a prime.

It is a super-3 number, since 3×2750734388821³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2750734388321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375367194410 + 1375367194411.

It is an arithmetic number, because the mean of its divisors is an integer number (1375367194411).

Almost surely, 2^{2750734388821} is an apocalyptic number.

It is an amenable number.

2750734388821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750734388821 is an equidigital number, since it uses as much as digits as its factorization.

2750734388821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 2750734388821 in words is "two trillion, seven hundred fifty billion, seven hundred thirty-four million, three hundred eighty-eight thousand, eight hundred twenty-one".