100443863539 has 2 divisors, whose sum is σ = 100443863540. Its totient is φ = 100443863538.

The previous prime is 100443863483. The next prime is 100443863557. The reversal of 100443863539 is 935368344001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100443863539 - 2¹¹ = 100443861491 is a prime.

It is not a weakly prime, because it can be changed into another prime (100443363539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50221931769 + 50221931770.

It is an arithmetic number, because the mean of its divisors is an integer number (50221931770).

Almost surely, 2^100443863539 is an apocalyptic number.

100443863539 is a deficient number, since it is larger than the sum of its proper divisors (1).

100443863539 is an equidigital number, since it uses as much as digits as its factorization.

100443863539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 100443863539 in words is "one hundred billion, four hundred forty-three million, eight hundred sixty-three thousand, five hundred thirty-nine".