42289478903 has 8 divisors (see below), whose sum is σ = 48581253408. Its totient is φ = 36060309504.

The previous prime is 42289478863. The next prime is 42289478929. The reversal of 42289478903 is 30987498224.

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-42289478903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42289478983) 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, 15649826 + ... + 15652527.

It is an arithmetic number, because the mean of its divisors is an integer number (6072656676).

Almost surely, 2^42289478903 is an apocalyptic number.

42289478903 is a deficient number, since it is larger than the sum of its proper divisors (6291774505).

42289478903 is a wasteful number, since it uses less digits than its factorization.

42289478903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31302553.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 42289478903 in words is "forty-two billion, two hundred eighty-nine million, four hundred seventy-eight thousand, nine hundred three".