3872199529 has 9 divisors (see below), whose sum is σ = 4256971831. Its totient is φ = 3519559120.

The previous prime is 3872199503. The next prime is 3872199533. The reversal of 3872199529 is 9259912783.

The square root of 3872199529 is 62227.

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

It can be written as a sum of positive squares in only one way, i.e., 385533225 + 3486666304 = 19635^2 + 59048^2 .

It is not a de Polignac number, because 3872199529 - 2¹⁵ = 3872166761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3872199529.

It is not an unprimeable number, because it can be changed into a prime (3872199029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 681669 + ... + 687325.

Almost surely, 2^3872199529 is an apocalyptic number.

3872199529 is the 62227-th square number.

3872199529 is the 31114-th centered octagonal number.

It is an amenable number.

3872199529 is a deficient number, since it is larger than the sum of its proper divisors (384772302).

3872199529 is an frugal number, since it uses more digits than its factorization.

3872199529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336 (or 5668 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The cubic root of 3872199529 is about 1570.3118545589.

It can be divided in two parts, 3872 and 199529, that added together give a square (203401 = 451²).

The spelling of 3872199529 in words is "three billion, eight hundred seventy-two million, one hundred ninety-nine thousand, five hundred twenty-nine".