4404046421 has 4 divisors (see below), whose sum is σ = 4404431232. Its totient is φ = 4403661612.

The previous prime is 4404046411. The next prime is 4404046429. The reversal of 4404046421 is 1246404044.

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 4404046421 - 2⁶ = 4404046357 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 (4404046429) 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, 174695 + ... + 198308.

It is an arithmetic number, because the mean of its divisors is an integer number (1101107808).

Almost surely, 2^4404046421 is an apocalyptic number.

It is an amenable number.

4404046421 is a deficient number, since it is larger than the sum of its proper divisors (384811).

4404046421 is a wasteful number, since it uses less digits than its factorization.

4404046421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384810.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 4404046421 is about 66362.9898437375. The cubic root of 4404046421 is about 1639.1447083245.

The spelling of 4404046421 in words is "four billion, four hundred four million, forty-six thousand, four hundred twenty-one".