42273607665 has 32 divisors (see below), whose sum is σ = 69265316736. Its totient is φ = 22004236800.

The previous prime is 42273607613. The next prime is 42273607679. The reversal of 42273607665 is 56670637224.

It is not a de Polignac number, because 42273607665 - 2⁹ = 42273607153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813957 + ... + 864333.

It is an arithmetic number, because the mean of its divisors is an integer number (2164541148).

Almost surely, 2^42273607665 is an apocalyptic number.

It is an amenable number.

42273607665 is a deficient number, since it is larger than the sum of its proper divisors (26991709071).

42273607665 is a wasteful number, since it uses less digits than its factorization.

42273607665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51729.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 42273607665 in words is "forty-two billion, two hundred seventy-three million, six hundred seven thousand, six hundred sixty-five".