3969539530 has 16 divisors (see below), whose sum is σ = 7794732384. Its totient is φ = 1443468880.

The previous prime is 3969539507. The next prime is 3969539531. The reversal of 3969539530 is 359359693.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3969539531) 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, 18043252 + ... + 18043471.

It is an arithmetic number, because the mean of its divisors is an integer number (487170774).

Almost surely, 2^3969539530 is an apocalyptic number.

3969539530 is a deficient number, since it is larger than the sum of its proper divisors (3825192854).

3969539530 is a wasteful number, since it uses less digits than its factorization.

3969539530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36086741.

The product of its (nonzero) digits is 2952450, while the sum is 52.

The square root of 3969539530 is about 63004.2818386179. The cubic root of 3969539530 is about 1583.3613651424.

The spelling of 3969539530 in words is "three billion, nine hundred sixty-nine million, five hundred thirty-nine thousand, five hundred thirty".