2468978798642 has 4 divisors (see below), whose sum is σ = 3703468197966. Its totient is φ = 1234489399320.

The previous prime is 2468978798639. The next prime is 2468978798719.

2468978798642 is nontrivially palindromic in base 10.

2468978798642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1266905573761 + 1202073224881 = 1125569^2 + 1096391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617244699659 + ... + 617244699662.

Almost surely, 2^{2468978798642} is an apocalyptic number.

2468978798642 is a deficient number, since it is larger than the sum of its proper divisors (1234489399324).

2468978798642 is a wasteful number, since it uses less digits than its factorization.

2468978798642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234489399323.

The product of its digits is 4682022912, while the sum is 80.

The spelling of 2468978798642 in words is "two trillion, four hundred sixty-eight billion, nine hundred seventy-eight million, seven hundred ninety-eight thousand, six hundred forty-two".