43483139681 has 16 divisors (see below), whose sum is σ = 46228147200. Its totient is φ = 40784255568.

The previous prime is 43483139669. The next prime is 43483139717. The reversal of 43483139681 is 18693138434.

It is a cyclic number.

It is not a de Polignac number, because 43483139681 - 2²⁶ = 43416030817 is a prime.

It is a super-2 number, since 2×43483139681² (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 (43483139611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3814316 + ... + 3825698.

It is an arithmetic number, because the mean of its divisors is an integer number (2889259200).

Almost surely, 2^43483139681 is an apocalyptic number.

It is an amenable number.

43483139681 is a deficient number, since it is larger than the sum of its proper divisors (2745007519).

43483139681 is a wasteful number, since it uses less digits than its factorization.

43483139681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13388.

The product of its digits is 1492992, while the sum is 50.

The spelling of 43483139681 in words is "forty-three billion, four hundred eighty-three million, one hundred thirty-nine thousand, six hundred eighty-one".