2750380121 has 2 divisors, whose sum is σ = 2750380122. Its totient is φ = 2750380120.

The previous prime is 2750380103. The next prime is 2750380201. The reversal of 2750380121 is 1210830572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2739056896 + 11323225 = 52336^2 + 3365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750380121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2750350121) 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, 1375190060 + 1375190061.

It is an arithmetic number, because the mean of its divisors is an integer number (1375190061).

Almost surely, 2^2750380121 is an apocalyptic number.

It is an amenable number.

2750380121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750380121 is an equidigital number, since it uses as much as digits as its factorization.

2750380121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2750380121 is about 52444.0665948017. The cubic root of 2750380121 is about 1401.0842147168.

The spelling of 2750380121 in words is "two billion, seven hundred fifty million, three hundred eighty thousand, one hundred twenty-one".