104051242609 has 2 divisors, whose sum is σ = 104051242610. Its totient is φ = 104051242608.

The previous prime is 104051242583. The next prime is 104051242619. The reversal of 104051242609 is 906242150401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78209715600 + 25841527009 = 279660^2 + 160753^2 .

It is a cyclic number.

It is not a de Polignac number, because 104051242609 - 2³⁵ = 69691504241 is a prime.

It is a super-2 number, since 2×104051242609² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104051242619) 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, 52025621304 + 52025621305.

It is an arithmetic number, because the mean of its divisors is an integer number (52025621305).

Almost surely, 2^104051242609 is an apocalyptic number.

It is an amenable number.

104051242609 is a deficient number, since it is larger than the sum of its proper divisors (1).

104051242609 is an equidigital number, since it uses as much as digits as its factorization.

104051242609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 104051242609 in words is "one hundred four billion, fifty-one million, two hundred forty-two thousand, six hundred nine".