2442642644642 has 4 divisors (see below), whose sum is σ = 3663963966966. Its totient is φ = 1221321322320.

The previous prime is 2442642644641. The next prime is 2442642644671. The reversal of 2442642644642 is 2464462462442.

2442642644642 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., 2122443973321 + 320198671321 = 1456861^2 + 565861^2 .

It is not an unprimeable number, because it can be changed into a prime (2442642644641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610660661159 + ... + 610660661162.

Almost surely, 2^{2442642644642} is an apocalyptic number.

2442642644642 is a deficient number, since it is larger than the sum of its proper divisors (1221321322324).

2442642644642 is a wasteful number, since it uses less digits than its factorization.

2442642644642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221321322323.

The product of its digits is 14155776, while the sum is 50.

The spelling of 2442642644642 in words is "two trillion, four hundred forty-two billion, six hundred forty-two million, six hundred forty-four thousand, six hundred forty-two".