42432433423451 has 2 divisors, whose sum is σ = 42432433423452. Its totient is φ = 42432433423450.

The previous prime is 42432433423423. The next prime is 42432433423463. The reversal of 42432433423451 is 15432433423424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42432433423451 is a prime.

It is a super-2 number, since 2×42432433423451² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42432433423351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216216711725 + 21216216711726.

It is an arithmetic number, because the mean of its divisors is an integer number (21216216711726).

Almost surely, 2^{42432433423451} is an apocalyptic number.

42432433423451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42432433423451 is an equidigital number, since it uses as much as digits as its factorization.

42432433423451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 44.

Adding to 42432433423451 its reverse (15432433423424), we get a palindrome (57864866846875).

The spelling of 42432433423451 in words is "forty-two trillion, four hundred thirty-two billion, four hundred thirty-three million, four hundred twenty-three thousand, four hundred fifty-one".