104638931443 has 2 divisors, whose sum is σ = 104638931444. Its totient is φ = 104638931442.

The previous prime is 104638931417. The next prime is 104638931447. The reversal of 104638931443 is 344139836401.

It is a strong prime.

It is an emirp because it is prime and its reverse (344139836401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104638931443 - 2⁹ = 104638930931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104638931393 and 104638931402.

It is not a weakly prime, because it can be changed into another prime (104638931447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52319465721 + 52319465722.

It is an arithmetic number, because the mean of its divisors is an integer number (52319465722).

Almost surely, 2^104638931443 is an apocalyptic number.

104638931443 is a deficient number, since it is larger than the sum of its proper divisors (1).

104638931443 is an equidigital number, since it uses as much as digits as its factorization.

104638931443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 104638931443 in words is "one hundred four billion, six hundred thirty-eight million, nine hundred thirty-one thousand, four hundred forty-three".