104438584681 has 2 divisors, whose sum is σ = 104438584682. Its totient is φ = 104438584680.

The previous prime is 104438584633. The next prime is 104438584787. The reversal of 104438584681 is 186485834401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61844229225 + 42594355456 = 248685^2 + 206384^2 .

It is a cyclic number.

It is not a de Polignac number, because 104438584681 - 2⁷ = 104438584553 is a prime.

It is a super-2 number, since 2×104438584681² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104438584981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52219292340 + 52219292341.

It is an arithmetic number, because the mean of its divisors is an integer number (52219292341).

Almost surely, 2^104438584681 is an apocalyptic number.

It is an amenable number.

104438584681 is a deficient number, since it is larger than the sum of its proper divisors (1).

104438584681 is an equidigital number, since it uses as much as digits as its factorization.

104438584681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2949120, while the sum is 52.

The spelling of 104438584681 in words is "one hundred four billion, four hundred thirty-eight million, five hundred eighty-four thousand, six hundred eighty-one".