42002143515403 has 8 divisors (see below), whose sum is σ = 42630347561472. Its totient is φ = 41373977892456.

The previous prime is 42002143515379. The next prime is 42002143515407. The reversal of 42002143515403 is 30451534120024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42002143515403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42002143515407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7399375 + ... + 11779432.

It is an arithmetic number, because the mean of its divisors is an integer number (5328793445184).

Almost surely, 2^{42002143515403} is an apocalyptic number.

42002143515403 is a deficient number, since it is larger than the sum of its proper divisors (628204046069).

42002143515403 is a wasteful number, since it uses less digits than its factorization.

42002143515403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19211561.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 42002143515403 its reverse (30451534120024), we get a palindrome (72453677635427).

The spelling of 42002143515403 in words is "forty-two trillion, two billion, one hundred forty-three million, five hundred fifteen thousand, four hundred three".