43240013285527 has 2 divisors, whose sum is σ = 43240013285528. Its totient is φ = 43240013285526.

The previous prime is 43240013285407. The next prime is 43240013285531. The reversal of 43240013285527 is 72558231004234.

It is a happy number.

43240013285527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43240013285527 - 2²³ = 43240004896919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240013285597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620006642763 + 21620006642764.

It is an arithmetic number, because the mean of its divisors is an integer number (21620006642764).

Almost surely, 2^{43240013285527} is an apocalyptic number.

43240013285527 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240013285527 is an equidigital number, since it uses as much as digits as its factorization.

43240013285527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 43240013285527 in words is "forty-three trillion, two hundred forty billion, thirteen million, two hundred eighty-five thousand, five hundred twenty-seven".