42144065473 has 16 divisors (see below), whose sum is σ = 45305856000. Its totient is φ = 39113807040.

The previous prime is 42144065443. The next prime is 42144065507. The reversal of 42144065473 is 37456044124.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42144065473 is a prime.

It is a super-2 number, since 2×42144065473² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42144065443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23361 + ... + 291262.

It is an arithmetic number, because the mean of its divisors is an integer number (2831616000).

Almost surely, 2^42144065473 is an apocalyptic number.

It is an amenable number.

42144065473 is a deficient number, since it is larger than the sum of its proper divisors (3161790527).

42144065473 is a wasteful number, since it uses less digits than its factorization.

42144065473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314832.

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 42144065473 in words is "forty-two billion, one hundred forty-four million, sixty-five thousand, four hundred seventy-three".