42004042003 has 36 divisors (see below), whose sum is σ = 53771547816. Its totient is φ = 32691489600.

The previous prime is 42004041997. The next prime is 42004042009. The reversal of 42004042003 is 30024040024.

It is an interprime number because it is at equal distance from previous prime (42004041997) and next prime (42004042009).

It is not a de Polignac number, because 42004042003 - 2²⁵ = 41970487571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42004042009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5611023 + ... + 5618503.

It is an arithmetic number, because the mean of its divisors is an integer number (1493654106).

Almost surely, 2^42004042003 is an apocalyptic number.

42004042003 is a deficient number, since it is larger than the sum of its proper divisors (11767505813).

42004042003 is a wasteful number, since it uses less digits than its factorization.

42004042003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464 (or 8446 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 42004042003 its reverse (30024040024), we get a palindrome (72028082027).

The spelling of 42004042003 in words is "forty-two billion, four million, forty-two thousand, three".