3929328578965 has 16 divisors (see below), whose sum is σ = 4764456523008. Its totient is φ = 3110666040576.

The previous prime is 3929328578963. The next prime is 3929328578969. The reversal of 3929328578965 is 5698758239293.

It is a cyclic number.

It is not a de Polignac number, because 3929328578965 - 2¹ = 3929328578963 is a prime.

It is a super-2 number, since 2×3929328578965² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3929328578891 and 3929328578900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929328578963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2086692 + ... + 3494701.

It is an arithmetic number, because the mean of its divisors is an integer number (297778532688).

Almost surely, 2^{3929328578965} is an apocalyptic number.

It is an amenable number.

3929328578965 is a deficient number, since it is larger than the sum of its proper divisors (835127944043).

3929328578965 is a wasteful number, since it uses less digits than its factorization.

3929328578965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582868.

The product of its digits is 1763596800, while the sum is 76.

The spelling of 3929328578965 in words is "three trillion, nine hundred twenty-nine billion, three hundred twenty-eight million, five hundred seventy-eight thousand, nine hundred sixty-five".