4242148869779 has 4 divisors (see below), whose sum is σ = 4259898446880. Its totient is φ = 4224399292680.

The previous prime is 4242148869727. The next prime is 4242148869823. The reversal of 4242148869779 is 9779688412424.

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

It is a cyclic number.

It is not a de Polignac number, because 4242148869779 - 2²⁰ = 4242147821203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242148869709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8874788192 + ... + 8874788669.

It is an arithmetic number, because the mean of its divisors is an integer number (1064974611720).

Almost surely, 2^{4242148869779} is an apocalyptic number.

4242148869779 is a deficient number, since it is larger than the sum of its proper divisors (17749577101).

4242148869779 is a wasteful number, since it uses less digits than its factorization.

4242148869779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17749577100.

The product of its digits is 390168576, while the sum is 71.

The spelling of 4242148869779 in words is "four trillion, two hundred forty-two billion, one hundred forty-eight million, eight hundred sixty-nine thousand, seven hundred seventy-nine".