43813605605 has 16 divisors (see below), whose sum is σ = 65549706624. Its totient is φ = 27312377280.

The previous prime is 43813605593. The next prime is 43813605629. The reversal of 43813605605 is 50650631834.

It is not a de Polignac number, because 43813605605 - 2¹⁸ = 43813343461 is a prime.

It is a super-2 number, since 2×43813605605² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56900402 + ... + 56901171.

It is an arithmetic number, because the mean of its divisors is an integer number (4096856664).

Almost surely, 2^43813605605 is an apocalyptic number.

It is an amenable number.

43813605605 is a deficient number, since it is larger than the sum of its proper divisors (21736101019).

43813605605 is a wasteful number, since it uses less digits than its factorization.

43813605605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113801596.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 43813605605 in words is "forty-three billion, eight hundred thirteen million, six hundred five thousand, six hundred five".