3709944321 has 16 divisors (see below), whose sum is σ = 5177287680. Its totient is φ = 2358599760.

The previous prime is 3709944319. The next prime is 3709944341. The reversal of 3709944321 is 1234499073.

It is not a de Polignac number, because 3709944321 - 2¹ = 3709944319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3709944311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58381 + ... + 104058.

It is an arithmetic number, because the mean of its divisors is an integer number (323580480).

Almost surely, 2^3709944321 is an apocalyptic number.

It is an amenable number.

3709944321 is a deficient number, since it is larger than the sum of its proper divisors (1467343359).

3709944321 is a wasteful number, since it uses less digits than its factorization.

3709944321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162796.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 3709944321 is about 60909.3122683223. The cubic root of 3709944321 is about 1548.0647816402.

The spelling of 3709944321 in words is "three billion, seven hundred nine million, nine hundred forty-four thousand, three hundred twenty-one".