42002411243 has 4 divisors (see below), whose sum is σ = 45233365968. Its totient is φ = 38771456520.

The previous prime is 42002411179. The next prime is 42002411249. The reversal of 42002411243 is 34211420024.

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 42002411243 - 2⁶ = 42002411179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42002411249) 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, 1615477343 + ... + 1615477368.

It is an arithmetic number, because the mean of its divisors is an integer number (11308341492).

Almost surely, 2^42002411243 is an apocalyptic number.

42002411243 is a deficient number, since it is larger than the sum of its proper divisors (3230954725).

42002411243 is a wasteful number, since it uses less digits than its factorization.

42002411243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230954724.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42002411243 its reverse (34211420024), we get a palindrome (76213831267).

The spelling of 42002411243 in words is "forty-two billion, two million, four hundred eleven thousand, two hundred forty-three".