2488768678789 has 2 divisors, whose sum is σ = 2488768678790. Its totient is φ = 2488768678788.

The previous prime is 2488768678787. The next prime is 2488768678873. The reversal of 2488768678789 is 9878768678842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1937636160100 + 551132518689 = 1391990^2 + 742383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488768678789 - 2¹ = 2488768678787 is a prime.

It is a super-2 number, since 2×2488768678789² (a number of 26 digits) contains 22 as substring.

Together with 2488768678787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2488768678783) 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, 1244384339394 + 1244384339395.

It is an arithmetic number, because the mean of its divisors is an integer number (1244384339395).

Almost surely, 2^{2488768678789} is an apocalyptic number.

It is an amenable number.

2488768678789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2488768678789 is an equidigital number, since it uses as much as digits as its factorization.

2488768678789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29132587008, while the sum is 88.

The spelling of 2488768678789 in words is "two trillion, four hundred eighty-eight billion, seven hundred sixty-eight million, six hundred seventy-eight thousand, seven hundred eighty-nine".