42911865807 has 8 divisors (see below), whose sum is σ = 60227180160. Its totient is φ = 27102231000.

The previous prime is 42911865779. The next prime is 42911865811. The reversal of 42911865807 is 70856811924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42911865807 - 2¹⁰ = 42911864783 is a prime.

It is a super-2 number, since 2×42911865807² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42911865807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42911865907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376419819 + ... + 376419932.

It is an arithmetic number, because the mean of its divisors is an integer number (7528397520).

Almost surely, 2^42911865807 is an apocalyptic number.

42911865807 is a deficient number, since it is larger than the sum of its proper divisors (17315314353).

42911865807 is a wasteful number, since it uses less digits than its factorization.

42911865807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752839773.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 42911865807 in words is "forty-two billion, nine hundred eleven million, eight hundred sixty-five thousand, eight hundred seven".