42686511207 has 4 divisors (see below), whose sum is σ = 56915348280. Its totient is φ = 28457674136.

The previous prime is 42686511181. The next prime is 42686511211. The reversal of 42686511207 is 70211568624.

It is a happy number.

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 42686511207 - 2²⁴ = 42669733991 is a prime.

It is a super-3 number, since 3×42686511207³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42686511247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7114418532 + ... + 7114418537.

It is an arithmetic number, because the mean of its divisors is an integer number (14228837070).

Almost surely, 2^42686511207 is an apocalyptic number.

42686511207 is a deficient number, since it is larger than the sum of its proper divisors (14228837073).

42686511207 is a wasteful number, since it uses less digits than its factorization.

42686511207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14228837072.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 42686511207 in words is "forty-two billion, six hundred eighty-six million, five hundred eleven thousand, two hundred seven".