43564485149 has 8 divisors (see below), whose sum is σ = 43680279552. Its totient is φ = 43448801760.

The previous prime is 43564485143. The next prime is 43564485169. The reversal of 43564485149 is 94158446534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43564485149 - 2²⁰ = 43563436573 is a prime.

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 43564485149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43564485143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789857 + ... + 843209.

It is an arithmetic number, because the mean of its divisors is an integer number (5460034944).

Almost surely, 2^43564485149 is an apocalyptic number.

It is an amenable number.

43564485149 is a deficient number, since it is larger than the sum of its proper divisors (115794403).

43564485149 is a wasteful number, since it uses less digits than its factorization.

43564485149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55507.

The product of its digits is 8294400, while the sum is 53.

The spelling of 43564485149 in words is "forty-three billion, five hundred sixty-four million, four hundred eighty-five thousand, one hundred forty-nine".