2944964888081 has 2 divisors, whose sum is σ = 2944964888082. Its totient is φ = 2944964888080.

The previous prime is 2944964888027. The next prime is 2944964888123. The reversal of 2944964888081 is 1808884694492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2944024545856 + 940342225 = 1715816^2 + 30665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2944964888081 - 2⁶ = 2944964888017 is a prime.

It is a super-2 number, since 2×2944964888081² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2944964887996 and 2944964888014.

It is not a weakly prime, because it can be changed into another prime (2944964881081) 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, 1472482444040 + 1472482444041.

It is an arithmetic number, because the mean of its divisors is an integer number (1472482444041).

Almost surely, 2^{2944964888081} is an apocalyptic number.

It is an amenable number.

2944964888081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2944964888081 is an equidigital number, since it uses as much as digits as its factorization.

2944964888081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254803968, while the sum is 71.

The spelling of 2944964888081 in words is "two trillion, nine hundred forty-four billion, nine hundred sixty-four million, eight hundred eighty-eight thousand, eighty-one".