42504645163 has 8 divisors (see below), whose sum is σ = 43146049232. Its totient is φ = 41863447296.

The previous prime is 42504645137. The next prime is 42504645181. The reversal of 42504645163 is 36154640524.

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-42504645163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42504645193) 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, 392431 + ... + 488887.

It is an arithmetic number, because the mean of its divisors is an integer number (5393256154).

Almost surely, 2^42504645163 is an apocalyptic number.

42504645163 is a deficient number, since it is larger than the sum of its proper divisors (641404069).

42504645163 is an equidigital number, since it uses as much as digits as its factorization.

42504645163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103101.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 42504645163 in words is "forty-two billion, five hundred four million, six hundred forty-five thousand, one hundred sixty-three".