43350606505 has 4 divisors (see below), whose sum is σ = 52020727812. Its totient is φ = 34680485200.

The previous prime is 43350606503. The next prime is 43350606539. The reversal of 43350606505 is 50560605334.

43350606505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50560605334 = 2 ⋅25280302667.

It can be written as a sum of positive squares in 2 ways, for example, as 24327576729 + 19023029776 = 155973^2 + 137924^2 .

It is not a de Polignac number, because 43350606505 - 2¹ = 43350606503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43350606503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4335060646 + ... + 4335060655.

It is an arithmetic number, because the mean of its divisors is an integer number (13005181953).

Almost surely, 2^43350606505 is an apocalyptic number.

It is an amenable number.

43350606505 is a deficient number, since it is larger than the sum of its proper divisors (8670121307).

43350606505 is an equidigital number, since it uses as much as digits as its factorization.

43350606505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8670121306.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 43350606505 in words is "forty-three billion, three hundred fifty million, six hundred six thousand, five hundred five".