3623725509 has 16 divisors (see below), whose sum is σ = 5164677504. Its totient is φ = 2254419200.

The previous prime is 3623725493. The next prime is 3623725519. The reversal of 3623725509 is 9055273263.

It is a cyclic number.

It is not a de Polignac number, because 3623725509 - 2⁴ = 3623725493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3623725519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637632 + ... + 643289.

It is an arithmetic number, because the mean of its divisors is an integer number (322792344).

Almost surely, 2^3623725509 is an apocalyptic number.

It is an amenable number.

3623725509 is a deficient number, since it is larger than the sum of its proper divisors (1540951995).

3623725509 is a wasteful number, since it uses less digits than its factorization.

3623725509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280988.

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 3623725509 is about 60197.3878918346. The cubic root of 3623725509 is about 1535.9783623084.

The spelling of 3623725509 in words is "three billion, six hundred twenty-three million, seven hundred twenty-five thousand, five hundred nine".