42236635065 has 64 divisors (see below), whose sum is σ = 72417411072. Its totient is φ = 20946816000.

The previous prime is 42236635013. The next prime is 42236635081. The reversal of 42236635065 is 56053663224.

It is not a de Polignac number, because 42236635065 - 2¹¹ = 42236633017 is a prime.

It is a super-2 number, since 2×42236635065² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7351584 + ... + 7357326.

It is an arithmetic number, because the mean of its divisors is an integer number (1131522048).

Almost surely, 2^42236635065 is an apocalyptic number.

It is an amenable number.

42236635065 is a deficient number, since it is larger than the sum of its proper divisors (30180776007).

42236635065 is a wasteful number, since it uses less digits than its factorization.

42236635065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 42236635065 in words is "forty-two billion, two hundred thirty-six million, six hundred thirty-five thousand, sixty-five".