43088865481 has 4 divisors (see below), whose sum is σ = 43090063492. Its totient is φ = 43087667472.

The previous prime is 43088865389. The next prime is 43088865487. The reversal of 43088865481 is 18456888034.

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 18491648256 + 24597217225 = 135984^2 + 156835^2 .

It is a cyclic number.

It is not a de Polignac number, because 43088865481 - 2¹⁵ = 43088832713 is a prime.

It is a super-2 number, since 2×43088865481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43088865487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543330 + ... + 617563.

It is an arithmetic number, because the mean of its divisors is an integer number (10772515873).

Almost surely, 2^43088865481 is an apocalyptic number.

It is an amenable number.

43088865481 is a deficient number, since it is larger than the sum of its proper divisors (1198011).

43088865481 is a wasteful number, since it uses less digits than its factorization.

43088865481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198010.

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 43088865481 in words is "forty-three billion, eighty-eight million, eight hundred sixty-five thousand, four hundred eighty-one".