42846847608565 has 128 divisors (see below), whose sum is σ = 69446871244800. Its totient is φ = 24507911715840.

The previous prime is 42846847608563. The next prime is 42846847608571. The reversal of 42846847608565 is 56580674864824.

It is not a de Polignac number, because 42846847608565 - 2¹ = 42846847608563 is a prime.

It is a super-2 number, since 2×42846847608565² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42846847608563) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2785329864 + ... + 2785345246.

It is an arithmetic number, because the mean of its divisors is an integer number (542553681600).

Almost surely, 2^{42846847608565} is an apocalyptic number.

It is an amenable number.

42846847608565 is a deficient number, since it is larger than the sum of its proper divisors (26600023636235).

42846847608565 is a wasteful number, since it uses less digits than its factorization.

42846847608565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18707.

The product of its (nonzero) digits is 2477260800, while the sum is 73.

The spelling of 42846847608565 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred forty-seven million, six hundred eight thousand, five hundred sixty-five".