3864263487529 has 9 divisors (see below), whose sum is σ = 3971600485797. Its totient is φ = 3759753165984.

The previous prime is 3864263487527. The next prime is 3864263487593. The reversal of 3864263487529 is 9257843624683.

The square root of 3864263487529 is 1965773.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2339660864025 + 1524602623504 = 1529595^2 + 1234748^2 .

It is not a de Polignac number, because 3864263487529 - 2¹ = 3864263487527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3864263487527) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 72707037 + ... + 72760165.

Almost surely, 2^{3864263487529} is an apocalyptic number.

3864263487529 is the 1965773-rd square number.

3864263487529 is the 982887-th centered octagonal number.

It is an amenable number.

3864263487529 is a deficient number, since it is larger than the sum of its proper divisors (107336998268).

3864263487529 is an frugal number, since it uses more digits than its factorization.

3864263487529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106332 (or 53166 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 67.

The spelling of 3864263487529 in words is "three trillion, eight hundred sixty-four billion, two hundred sixty-three million, four hundred eighty-seven thousand, five hundred twenty-nine".