43606652461 has 4 divisors (see below), whose sum is σ = 43607568672. Its totient is φ = 43605736252.

The previous prime is 43606652423. The next prime is 43606652473. The reversal of 43606652461 is 16425660634.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43606652461 - 2¹⁹ = 43606128173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43606652561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382561 + ... + 483286.

It is an arithmetic number, because the mean of its divisors is an integer number (10901892168).

Almost surely, 2^43606652461 is an apocalyptic number.

It is an amenable number.

43606652461 is a deficient number, since it is larger than the sum of its proper divisors (916211).

43606652461 is an equidigital number, since it uses as much as digits as its factorization.

43606652461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916210.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 43606652461 in words is "forty-three billion, six hundred six million, six hundred fifty-two thousand, four hundred sixty-one".