3719339221 has 8 divisors (see below), whose sum is σ = 4006050104. Its totient is φ = 3432715200.

The previous prime is 3719339171. The next prime is 3719339317. The reversal of 3719339221 is 1229339173.

It can be written as a sum of positive squares in 4 ways, for example, as 1131582321 + 2587756900 = 33639^2 + 50870^2 .

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 3719339221 - 2¹¹ = 3719337173 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 (3719339021) 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, 87655 + ... + 122971.

It is an arithmetic number, because the mean of its divisors is an integer number (500756263).

Almost surely, 2^3719339221 is an apocalyptic number.

It is an amenable number.

3719339221 is a deficient number, since it is larger than the sum of its proper divisors (286710883).

3719339221 is a wasteful number, since it uses less digits than its factorization.

3719339221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43431.

The product of its digits is 61236, while the sum is 40.

The square root of 3719339221 is about 60986.3855380855. The cubic root of 3719339221 is about 1549.3704305496.

The spelling of 3719339221 in words is "three billion, seven hundred nineteen million, three hundred thirty-nine thousand, two hundred twenty-one".