10404214021 has 4 divisors (see below), whose sum is σ = 10449647500. Its totient is φ = 10358780544.

The previous prime is 10404213959. The next prime is 10404214031. The reversal of 10404214021 is 12041240401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12041240401 = 239 ⋅50381759.

It can be written as a sum of positive squares in 2 ways, for example, as 6004545121 + 4399668900 = 77489^2 + 66330^2 .

It is a cyclic number.

It is not a de Polignac number, because 10404214021 - 2⁹ = 10404213509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10404214021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404214031) 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, 22716396 + ... + 22716853.

It is an arithmetic number, because the mean of its divisors is an integer number (2612411875).

Almost surely, 2^10404214021 is an apocalyptic number.

It is an amenable number.

10404214021 is a deficient number, since it is larger than the sum of its proper divisors (45433479).

10404214021 is an equidigital number, since it uses as much as digits as its factorization.

10404214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45433478.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10404214021 its reverse (12041240401), we get a palindrome (22445454422).

The spelling of 10404214021 in words is "ten billion, four hundred four million, two hundred fourteen thousand, twenty-one".