104581091969 has 2 divisors, whose sum is σ = 104581091970. Its totient is φ = 104581091968.

The previous prime is 104581091917. The next prime is 104581092001. The reversal of 104581091969 is 969190185401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96786321025 + 7794770944 = 311105^2 + 88288^2 .

It is a cyclic number.

It is not a de Polignac number, because 104581091969 - 2¹² = 104581087873 is a prime.

It is a super-2 number, since 2×104581091969² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104581091969.

It is not a weakly prime, because it can be changed into another prime (104581091269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52290545984 + 52290545985.

It is an arithmetic number, because the mean of its divisors is an integer number (52290545985).

Almost surely, 2^104581091969 is an apocalyptic number.

It is an amenable number.

104581091969 is a deficient number, since it is larger than the sum of its proper divisors (1).

104581091969 is an equidigital number, since it uses as much as digits as its factorization.

104581091969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 53.

The spelling of 104581091969 in words is "one hundred four billion, five hundred eighty-one million, ninety-one thousand, nine hundred sixty-nine".