2804101421 has 4 divisors (see below), whose sum is σ = 3059019744. Its totient is φ = 2549183100.

The previous prime is 2804101403. The next prime is 2804101427. The reversal of 2804101421 is 1241014082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2804101421 - 2³⁰ = 1730359597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804101427) 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, 127459145 + ... + 127459166.

It is an arithmetic number, because the mean of its divisors is an integer number (764754936).

Almost surely, 2^2804101421 is an apocalyptic number.

It is an amenable number.

2804101421 is a deficient number, since it is larger than the sum of its proper divisors (254918323).

2804101421 is a wasteful number, since it uses less digits than its factorization.

2804101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254918322.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2804101421 is about 52953.7668254110. The cubic root of 2804101421 is about 1410.1475996921.

The spelling of 2804101421 in words is "two billion, eight hundred four million, one hundred one thousand, four hundred twenty-one".