104402406517 has 4 divisors (see below), whose sum is σ = 105067390156. Its totient is φ = 103737422880.

The previous prime is 104402406509. The next prime is 104402406533. The reversal of 104402406517 is 715604204401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27798559441 + 76603847076 = 166729^2 + 276774^2 .

It is a cyclic number.

It is not a de Polignac number, because 104402406517 - 2³ = 104402406509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104402406917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332491584 + ... + 332491897.

It is an arithmetic number, because the mean of its divisors is an integer number (26266847539).

Almost surely, 2^104402406517 is an apocalyptic number.

It is an amenable number.

104402406517 is a deficient number, since it is larger than the sum of its proper divisors (664983639).

104402406517 is an equidigital number, since it uses as much as digits as its factorization.

104402406517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664983638.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 104402406517 in words is "one hundred four billion, four hundred two million, four hundred six thousand, five hundred seventeen".