42648252727 has 4 divisors (see below), whose sum is σ = 42666903136. Its totient is φ = 42629602320.

The previous prime is 42648252721. The next prime is 42648252743. The reversal of 42648252727 is 72725284624.

42648252727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42648252727 - 2¹¹ = 42648250679 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 (42648252721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9321774 + ... + 9326347.

It is an arithmetic number, because the mean of its divisors is an integer number (10666725784).

Almost surely, 2^42648252727 is an apocalyptic number.

42648252727 is a deficient number, since it is larger than the sum of its proper divisors (18650409).

42648252727 is a wasteful number, since it uses less digits than its factorization.

42648252727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18650408.

The product of its digits is 3010560, while the sum is 49.

The spelling of 42648252727 in words is "forty-two billion, six hundred forty-eight million, two hundred fifty-two thousand, seven hundred twenty-seven".