104669719729 has 9 divisors (see below), whose sum is σ = 111194783851. Its totient is φ = 98507500960.

The previous prime is 104669719697. The next prime is 104669719733. The reversal of 104669719729 is 927917966401.

The square root of 104669719729 is 323527.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 81490266225 + 23179453504 = 285465^2 + 152248^2 .

It is not a de Polignac number, because 104669719729 - 2⁵ = 104669719697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104669719789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5490444 + ... + 5509474.

Almost surely, 2^104669719729 is an apocalyptic number.

104669719729 is the 323527-th square number.

104669719729 is the 161764-th centered octagonal number.

It is an amenable number.

104669719729 is a deficient number, since it is larger than the sum of its proper divisors (6525064122).

104669719729 is an frugal number, since it uses more digits than its factorization.

104669719729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38096 (or 19048 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 104669719729 in words is "one hundred four billion, six hundred sixty-nine million, seven hundred nineteen thousand, seven hundred twenty-nine".