42334344142451 has 4 divisors (see below), whose sum is σ = 42334639650600. Its totient is φ = 42334048634304.

The previous prime is 42334344142421. The next prime is 42334344142513. The reversal of 42334344142451 is 15424144343324.

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-42334344142451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42334344142421) 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, 147539081 + ... + 147825738.

It is an arithmetic number, because the mean of its divisors is an integer number (10583659912650).

Almost surely, 2^{42334344142451} is an apocalyptic number.

42334344142451 is a deficient number, since it is larger than the sum of its proper divisors (295508149).

42334344142451 is a wasteful number, since it uses less digits than its factorization.

42334344142451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295508148.

The product of its digits is 2211840, while the sum is 44.

Adding to 42334344142451 its reverse (15424144343324), we get a palindrome (57758488485775).

The spelling of 42334344142451 in words is "forty-two trillion, three hundred thirty-four billion, three hundred forty-four million, one hundred forty-two thousand, four hundred fifty-one".