42343507919 has 4 divisors (see below), whose sum is σ = 42346822896. Its totient is φ = 42340192944.

The previous prime is 42343507907. The next prime is 42343507931. The reversal of 42343507919 is 91970534324.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (42343507907) and next prime (42343507931).

It is a cyclic number.

It is not a de Polignac number, because 42343507919 - 2²⁰ = 42342459343 is a prime.

It is a super-2 number, since 2×42343507919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343507319) 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, 1638254 + ... + 1663899.

It is an arithmetic number, because the mean of its divisors is an integer number (10586705724).

Almost surely, 2^42343507919 is an apocalyptic number.

42343507919 is a deficient number, since it is larger than the sum of its proper divisors (3314977).

42343507919 is a wasteful number, since it uses less digits than its factorization.

42343507919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314976.

The product of its (nonzero) digits is 816480, while the sum is 47.

It can be divided in two parts, 4234 and 3507919, that added together give a palindrome (3512153).

The spelling of 42343507919 in words is "forty-two billion, three hundred forty-three million, five hundred seven thousand, nine hundred nineteen".