43152089549 has 4 divisors (see below), whose sum is σ = 44204579580. Its totient is φ = 42099599520.

The previous prime is 43152089543. The next prime is 43152089569. The reversal of 43152089549 is 94598025134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13874484100 + 29277605449 = 117790^2 + 171107^2 .

It is a cyclic number.

It is not a de Polignac number, because 43152089549 - 2⁸ = 43152089293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43152089497 and 43152089506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43152089543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526244954 + ... + 526245035.

It is an arithmetic number, because the mean of its divisors is an integer number (11051144895).

Almost surely, 2^43152089549 is an apocalyptic number.

It is an amenable number.

43152089549 is a deficient number, since it is larger than the sum of its proper divisors (1052490031).

43152089549 is a wasteful number, since it uses less digits than its factorization.

43152089549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052490030.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 43152089549 in words is "forty-three billion, one hundred fifty-two million, eighty-nine thousand, five hundred forty-nine".