42412422431 has 4 divisors (see below), whose sum is σ = 42416146752. Its totient is φ = 42408698112.

The previous prime is 42412422359. The next prime is 42412422439. The reversal of 42412422431 is 13422421424.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42412422431 is a prime.

It is a super-2 number, since 2×42412422431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42412422394 and 42412422403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42412422439) 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, 1845026 + ... + 1867871.

It is an arithmetic number, because the mean of its divisors is an integer number (10604036688).

Almost surely, 2^42412422431 is an apocalyptic number.

42412422431 is a deficient number, since it is larger than the sum of its proper divisors (3724321).

42412422431 is a wasteful number, since it uses less digits than its factorization.

42412422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724320.

The product of its digits is 12288, while the sum is 29.

Adding to 42412422431 its reverse (13422421424), we get a palindrome (55834843855).

The spelling of 42412422431 in words is "forty-two billion, four hundred twelve million, four hundred twenty-two thousand, four hundred thirty-one".