3709509252 has 12 divisors (see below), whose sum is σ = 8655521616. Its totient is φ = 1236503080.

The previous prime is 3709509241. The next prime is 3709509269. The reversal of 3709509252 is 2529059073.

3709509252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154562874 + ... + 154562897.

It is an arithmetic number, because the mean of its divisors is an integer number (721293468).

Almost surely, 2^3709509252 is an apocalyptic number.

It is an amenable number.

3709509252 is an abundant number, since it is smaller than the sum of its proper divisors (4946012364).

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

3709509252 is a wasteful number, since it uses less digits than its factorization.

3709509252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309125778 (or 309125776 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 3709509252 is about 60905.7407146486. The cubic root of 3709509252 is about 1548.0042648895.

The spelling of 3709509252 in words is "three billion, seven hundred nine million, five hundred nine thousand, two hundred fifty-two".