104669308921 has 2 divisors, whose sum is σ = 104669308922. Its totient is φ = 104669308920.

The previous prime is 104669308903. The next prime is 104669308957. The reversal of 104669308921 is 129803966401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78981233296 + 25688075625 = 281036^2 + 160275^2 .

It is an emirp because it is prime and its reverse (129803966401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104669308921 - 2¹¹ = 104669306873 is a prime.

It is not a weakly prime, because it can be changed into another prime (104669308721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52334654460 + 52334654461.

It is an arithmetic number, because the mean of its divisors is an integer number (52334654461).

Almost surely, 2^104669308921 is an apocalyptic number.

It is an amenable number.

104669308921 is a deficient number, since it is larger than the sum of its proper divisors (1).

104669308921 is an equidigital number, since it uses as much as digits as its factorization.

104669308921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 104669308921 in words is "one hundred four billion, six hundred sixty-nine million, three hundred eight thousand, nine hundred twenty-one".