4049822621 has 8 divisors (see below), whose sum is σ = 4590892320. Its totient is φ = 3541545072.

The previous prime is 4049822617. The next prime is 4049822657. The reversal of 4049822621 is 1262289404.

It is a happy number.

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

It is not a de Polignac number, because 4049822621 - 2² = 4049822617 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 (4049822521) 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, 8197775 + ... + 8198268.

It is an arithmetic number, because the mean of its divisors is an integer number (573861540).

Almost surely, 2^4049822621 is an apocalyptic number.

It is an amenable number.

4049822621 is a deficient number, since it is larger than the sum of its proper divisors (541069699).

4049822621 is a wasteful number, since it uses less digits than its factorization.

4049822621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16396075.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 4049822621 is about 63638.2166704882. The cubic root of 4049822621 is about 1593.9645826546.

The spelling of 4049822621 in words is "four billion, forty-nine million, eight hundred twenty-two thousand, six hundred twenty-one".