104421612389 has 2 divisors, whose sum is σ = 104421612390. Its totient is φ = 104421612388.

The previous prime is 104421612341. The next prime is 104421612409. The reversal of 104421612389 is 983216124401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95625048289 + 8796564100 = 309233^2 + 93790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104421612389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104421312389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52210806194 + 52210806195.

It is an arithmetic number, because the mean of its divisors is an integer number (52210806195).

Almost surely, 2^104421612389 is an apocalyptic number.

It is an amenable number.

104421612389 is a deficient number, since it is larger than the sum of its proper divisors (1).

104421612389 is an equidigital number, since it uses as much as digits as its factorization.

104421612389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 104421612389 in words is "one hundred four billion, four hundred twenty-one million, six hundred twelve thousand, three hundred eighty-nine".