3539893009 has 3 divisors (see below), whose sum is σ = 3539952507. Its totient is φ = 3539833512.

The previous prime is 3539893001. The next prime is 3539893043. The reversal of 3539893009 is 9003989353.

The square root of 3539893009 is 59497.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2059798225 + 1480094784 = 45385^2 + 38472^2 .

It is not a de Polignac number, because 3539893009 - 2³ = 3539893001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3539893001) 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 2 ways as a sum of consecutive naturals, for example, 29749 + ... + 89245.

It is an arithmetic number, because the mean of its divisors is an integer number (1179984169).

Almost surely, 2^3539893009 is an apocalyptic number.

3539893009 is the 59497-th square number.

3539893009 is the 29749-th centered octagonal number.

It is an amenable number.

3539893009 is a deficient number, since it is larger than the sum of its proper divisors (59498).

3539893009 is an frugal number, since it uses more digits than its factorization.

3539893009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118994 (or 59497 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 49.

The cubic root of 3539893009 is about 1524.0412153335.

Multiplying 3539893009 by its sum of digits (49), we get a square (173454757441 = 416479²).

The spelling of 3539893009 in words is "three billion, five hundred thirty-nine million, eight hundred ninety-three thousand, nine".