2428261490881 has 2 divisors, whose sum is σ = 2428261490882. Its totient is φ = 2428261490880.

The previous prime is 2428261490867. The next prime is 2428261490923. The reversal of 2428261490881 is 1880941628242.

2428261490881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267921040400 + 1160340450481 = 1126020^2 + 1077191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2428261490881 is a prime.

It is a super-2 number, since 2×2428261490881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2428261410881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214130745440 + 1214130745441.

It is an arithmetic number, because the mean of its divisors is an integer number (1214130745441).

Almost surely, 2^{2428261490881} is an apocalyptic number.

It is an amenable number.

2428261490881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428261490881 is an equidigital number, since it uses as much as digits as its factorization.

2428261490881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 2428261490881 in words is "two trillion, four hundred twenty-eight billion, two hundred sixty-one million, four hundred ninety thousand, eight hundred eighty-one".