43088742985 has 16 divisors (see below), whose sum is σ = 51845962896. Its totient is φ = 34378129408.

The previous prime is 43088742953. The next prime is 43088743037. The reversal of 43088742985 is 58924788034.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 616479241 + 42472263744 = 24829^2 + 206088^2 .

It is a cyclic number.

It is not a de Polignac number, because 43088742985 - 2⁵ = 43088742953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382989 + ... + 3395701.

It is an arithmetic number, because the mean of its divisors is an integer number (3240372681).

Almost surely, 2^43088742985 is an apocalyptic number.

It is an amenable number.

43088742985 is a deficient number, since it is larger than the sum of its proper divisors (8757219911).

43088742985 is a wasteful number, since it uses less digits than its factorization.

43088742985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14492.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 43088742985 in words is "forty-three billion, eighty-eight million, seven hundred forty-two thousand, nine hundred eighty-five".