43641113234899 has 2 divisors, whose sum is σ = 43641113234900. Its totient is φ = 43641113234898.

The previous prime is 43641113234881. The next prime is 43641113234921. The reversal of 43641113234899 is 99843231114634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43641113234899 - 2⁵ = 43641113234867 is a prime.

It is not a weakly prime, because it can be changed into another prime (43641113234099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21820556617449 + 21820556617450.

It is an arithmetic number, because the mean of its divisors is an integer number (21820556617450).

Almost surely, 2^{43641113234899} is an apocalyptic number.

43641113234899 is a deficient number, since it is larger than the sum of its proper divisors (1).

43641113234899 is an equidigital number, since it uses as much as digits as its factorization.

43641113234899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 58.

The spelling of 43641113234899 in words is "forty-three trillion, six hundred forty-one billion, one hundred thirteen million, two hundred thirty-four thousand, eight hundred ninety-nine".