43536491716 has 9 divisors (see below), whose sum is σ = 76189590799. Its totient is φ = 21768037204.

The previous prime is 43536491711. The next prime is 43536491723. The reversal of 43536491716 is 61719463534.

The square root of 43536491716 is 208654.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×43536491716² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43536491716.

It is not an unprimeable number, because it can be changed into a prime (43536491711) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 365145 + ... + 469471.

Almost surely, 2^43536491716 is an apocalyptic number.

43536491716 is the 208654-th square number.

It is an amenable number.

43536491716 is a deficient number, since it is larger than the sum of its proper divisors (32653099083).

43536491716 is an frugal number, since it uses more digits than its factorization.

43536491716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208658 (or 104329 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

Multiplying 43536491716 by its sum of digits (49), we get a square (2133288094084 = 1460578²).

The spelling of 43536491716 in words is "forty-three billion, five hundred thirty-six million, four hundred ninety-one thousand, seven hundred sixteen".