104304400021 has 8 divisors (see below), whose sum is σ = 109013488920. Its totient is φ = 99669470208.

The previous prime is 104304400007. The next prime is 104304400027. The reversal of 104304400021 is 120004403401.

It can be written as a sum of positive squares in 4 ways, for example, as 6154402500 + 98149997521 = 78450^2 + 313289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104304400021 - 2⁵ = 104304399989 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 (104304400027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18536896 + ... + 18542521.

It is an arithmetic number, because the mean of its divisors is an integer number (13626686115).

Almost surely, 2^104304400021 is an apocalyptic number.

It is an amenable number.

104304400021 is a deficient number, since it is larger than the sum of its proper divisors (4709088899).

104304400021 is an equidigital number, since it uses as much as digits as its factorization.

104304400021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37079543.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 104304400021 its reverse (120004403401), we get a palindrome (224308803422).

The spelling of 104304400021 in words is "one hundred four billion, three hundred four million, four hundred thousand, twenty-one".