3963928523 has 4 divisors (see below), whose sum is σ = 4172556360. Its totient is φ = 3755300688.

The previous prime is 3963928499. The next prime is 3963928531. The reversal of 3963928523 is 3258293693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3963928523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3963918523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104313890 + ... + 104313927.

It is an arithmetic number, because the mean of its divisors is an integer number (1043139090).

Almost surely, 2^3963928523 is an apocalyptic number.

3963928523 is a deficient number, since it is larger than the sum of its proper divisors (208627837).

3963928523 is a wasteful number, since it uses less digits than its factorization.

3963928523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208627836.

The product of its digits is 2099520, while the sum is 50.

The square root of 3963928523 is about 62959.7373167964. The cubic root of 3963928523 is about 1582.6149778988.

The spelling of 3963928523 in words is "three billion, nine hundred sixty-three million, nine hundred twenty-eight thousand, five hundred twenty-three".