43128853249 has 8 divisors (see below), whose sum is σ = 43606664640. Its totient is φ = 42652038000.

The previous prime is 43128853247. The next prime is 43128853253. The reversal of 43128853249 is 94235882134.

It is a happy number.

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 43128853249 - 2¹ = 43128853247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43128853247) 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 7 ways as a sum of consecutive naturals, for example, 161797 + ... + 335314.

It is an arithmetic number, because the mean of its divisors is an integer number (5450833080).

Almost surely, 2^43128853249 is an apocalyptic number.

It is an amenable number.

43128853249 is a deficient number, since it is larger than the sum of its proper divisors (477811391).

43128853249 is a wasteful number, since it uses less digits than its factorization.

43128853249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498071.

The product of its digits is 1658880, while the sum is 49.

It can be divided in two parts, 4312885 and 3249, that added together give a palindrome (4316134).

The spelling of 43128853249 in words is "forty-three billion, one hundred twenty-eight million, eight hundred fifty-three thousand, two hundred forty-nine".