3969545532 has 72 divisors (see below), whose sum is σ = 9469439616. Its totient is φ = 1294188000.

The previous prime is 3969545521. The next prime is 3969545539. The reversal of 3969545532 is 2355459693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969545539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12763657 + ... + 12763967.

Almost surely, 2^3969545532 is an apocalyptic number.

It is an amenable number.

3969545532 is an abundant number, since it is smaller than the sum of its proper divisors (5499894084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3969545532 is a wasteful number, since it uses less digits than its factorization.

3969545532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 598 counting only the distinct ones).

The product of its digits is 4374000, while the sum is 51.

The square root of 3969545532 is about 63004.3294702832. The cubic root of 3969545532 is about 1583.3621631636.

The spelling of 3969545532 in words is "three billion, nine hundred sixty-nine million, five hundred forty-five thousand, five hundred thirty-two".