42242200424243 has 4 divisors (see below), whose sum is σ = 43272497995608. Its totient is φ = 41211902852880.

The previous prime is 42242200424209. The next prime is 42242200424251. The reversal of 42242200424243 is 34242400224224.

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 42242200424243 - 2²⁰ = 42242199375667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42242200421243) 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, 515148785621 + ... + 515148785702.

It is an arithmetic number, because the mean of its divisors is an integer number (10818124498902).

Almost surely, 2^{42242200424243} is an apocalyptic number.

42242200424243 is a deficient number, since it is larger than the sum of its proper divisors (1030297571365).

42242200424243 is a wasteful number, since it uses less digits than its factorization.

42242200424243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030297571364.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 42242200424243 its reverse (34242400224224), we get a palindrome (76484600648467).

The spelling of 42242200424243 in words is "forty-two trillion, two hundred forty-two billion, two hundred million, four hundred twenty-four thousand, two hundred forty-three".