4204207421 has 8 divisors (see below), whose sum is σ = 4412361600. Its totient is φ = 3998166832.

The previous prime is 4204207417. The next prime is 4204207433. The reversal of 4204207421 is 1247024024.

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 4204207421 - 2² = 4204207417 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 (4204207451) 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, 524321 + ... + 532278.

It is an arithmetic number, because the mean of its divisors is an integer number (551545200).

Almost surely, 2^4204207421 is an apocalyptic number.

It is an amenable number.

4204207421 is a deficient number, since it is larger than the sum of its proper divisors (208154179).

4204207421 is a wasteful number, since it uses less digits than its factorization.

4204207421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056795.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 4204207421 is about 64839.8598163198. The cubic root of 4204207421 is about 1613.9672260276.

The spelling of 4204207421 in words is "four billion, two hundred four million, two hundred seven thousand, four hundred twenty-one".