3709509253 has 4 divisors (see below), whose sum is σ = 3870792288. Its totient is φ = 3548226220.

The previous prime is 3709509241. The next prime is 3709509269. The reversal of 3709509253 is 3529059073.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3529059073 = 23 ⋅153437351.

It is a cyclic number.

It is not a de Polignac number, because 3709509253 - 2¹⁷ = 3709378181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3709509553) 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 3 ways as a sum of consecutive naturals, for example, 80641483 + ... + 80641528.

It is an arithmetic number, because the mean of its divisors is an integer number (967698072).

Almost surely, 2^3709509253 is an apocalyptic number.

It is an amenable number.

3709509253 is a deficient number, since it is larger than the sum of its proper divisors (161283035).

3709509253 is a wasteful number, since it uses less digits than its factorization.

3709509253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161283034.

The product of its (nonzero) digits is 255150, while the sum is 43.

The square root of 3709509253 is about 60905.7407228580. The cubic root of 3709509253 is about 1548.0042650286.

The spelling of 3709509253 in words is "three billion, seven hundred nine million, five hundred nine thousand, two hundred fifty-three".