43242546901 has 2 divisors, whose sum is σ = 43242546902. Its totient is φ = 43242546900.

The previous prime is 43242546889. The next prime is 43242546911. The reversal of 43242546901 is 10964524234.

It is a happy number.

43242546901 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 can be written as a sum of positive squares in only one way, i.e., 23649826225 + 19592720676 = 153785^2 + 139974^2 .

It is a cyclic number.

It is not a de Polignac number, because 43242546901 - 2⁷ = 43242546773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43242546911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21621273450 + 21621273451.

It is an arithmetic number, because the mean of its divisors is an integer number (21621273451).

Almost surely, 2^43242546901 is an apocalyptic number.

It is an amenable number.

43242546901 is a deficient number, since it is larger than the sum of its proper divisors (1).

43242546901 is an equidigital number, since it uses as much as digits as its factorization.

43242546901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 43242546901 in words is "forty-three billion, two hundred forty-two million, five hundred forty-six thousand, nine hundred one".