3944354965 has 8 divisors (see below), whose sum is σ = 4744524960. Its totient is φ = 3147951312.

The previous prime is 3944354963. The next prime is 3944354971. The reversal of 3944354965 is 5694534493.

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 3944354965 - 2¹ = 3944354963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944354963) 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, 939279 + ... + 943468.

It is an arithmetic number, because the mean of its divisors is an integer number (593065620).

Almost surely, 2^3944354965 is an apocalyptic number.

It is an amenable number.

3944354965 is a deficient number, since it is larger than the sum of its proper divisors (800169995).

3944354965 is a wasteful number, since it uses less digits than its factorization.

3944354965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883171.

The product of its digits is 6998400, while the sum is 52.

The square root of 3944354965 is about 62804.0999059775. The cubic root of 3944354965 is about 1580.0057369070.

The spelling of 3944354965 in words is "three billion, nine hundred forty-four million, three hundred fifty-four thousand, nine hundred sixty-five".