104436909869 has 2 divisors, whose sum is σ = 104436909870. Its totient is φ = 104436909868.

The previous prime is 104436909851. The next prime is 104436909917. The reversal of 104436909869 is 968909634401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66504673225 + 37932236644 = 257885^2 + 194762^2 .

It is a cyclic number.

It is not a de Polignac number, because 104436909869 - 2²⁰ = 104435861293 is a prime.

It is a super-2 number, since 2×104436909869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104436909839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52218454934 + 52218454935.

It is an arithmetic number, because the mean of its divisors is an integer number (52218454935).

Almost surely, 2^104436909869 is an apocalyptic number.

It is an amenable number.

104436909869 is a deficient number, since it is larger than the sum of its proper divisors (1).

104436909869 is an equidigital number, since it uses as much as digits as its factorization.

104436909869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 104436909869 in words is "one hundred four billion, four hundred thirty-six million, nine hundred nine thousand, eight hundred sixty-nine".