42465212431 has 2 divisors, whose sum is σ = 42465212432. Its totient is φ = 42465212430.

The previous prime is 42465212429. The next prime is 42465212443. The reversal of 42465212431 is 13421256424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42465212431 - 2¹ = 42465212429 is a prime.

It is a super-2 number, since 2×42465212431² (a number of 22 digits) contains 22 as substring.

Together with 42465212429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42465212131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21232606215 + 21232606216.

It is an arithmetic number, because the mean of its divisors is an integer number (21232606216).

Almost surely, 2^42465212431 is an apocalyptic number.

42465212431 is a deficient number, since it is larger than the sum of its proper divisors (1).

42465212431 is an equidigital number, since it uses as much as digits as its factorization.

42465212431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 34.

Adding to 42465212431 its reverse (13421256424), we get a palindrome (55886468855).

The spelling of 42465212431 in words is "forty-two billion, four hundred sixty-five million, two hundred twelve thousand, four hundred thirty-one".