42243477065 has 16 divisors (see below), whose sum is σ = 51428563200. Its totient is φ = 33305849472.

The previous prime is 42243477053. The next prime is 42243477077. The reversal of 42243477065 is 56077434224.

42243477065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42243477053) and next prime (42243477077).

It is a cyclic number.

It is not a de Polignac number, because 42243477065 - 2²⁴ = 42226699849 is a prime.

It is a super-3 number, since 3×42243477065³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45296 + ... + 294174.

It is an arithmetic number, because the mean of its divisors is an integer number (3214285200).

Almost surely, 2^42243477065 is an apocalyptic number.

It is an amenable number.

42243477065 is a deficient number, since it is larger than the sum of its proper divisors (9185086135).

42243477065 is a wasteful number, since it uses less digits than its factorization.

42243477065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249376.

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 42243477065 in words is "forty-two billion, two hundred forty-three million, four hundred seventy-seven thousand, sixty-five".