42769769665 has 16 divisors (see below), whose sum is σ = 59617255680. Its totient is φ = 28847056320.

The previous prime is 42769769599. The next prime is 42769769683. The reversal of 42769769665 is 56696796724.

42769769665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42769769665 - 2¹⁵ = 42769736897 is a prime.

It is a super-3 number, since 3×42769769665³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42769769665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10014205 + ... + 10018474.

It is an arithmetic number, because the mean of its divisors is an integer number (3726078480).

Almost surely, 2^42769769665 is an apocalyptic number.

It is an amenable number.

42769769665 is a deficient number, since it is larger than the sum of its proper divisors (16847486015).

42769769665 is a wasteful number, since it uses less digits than its factorization.

42769769665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20032752.

The product of its digits is 205752960, while the sum is 67.

The spelling of 42769769665 in words is "forty-two billion, seven hundred sixty-nine million, seven hundred sixty-nine thousand, six hundred sixty-five".