3609126825 has 24 divisors (see below), whose sum is σ = 5969409600. Its totient is φ = 1924119360.

The previous prime is 3609126823. The next prime is 3609126887. The reversal of 3609126825 is 5286219063.

It is not a de Polignac number, because 3609126825 - 2¹ = 3609126823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3609126823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223111 + ... + 238739.

It is an arithmetic number, because the mean of its divisors is an integer number (248725400).

Almost surely, 2^3609126825 is an apocalyptic number.

It is an amenable number.

3609126825 is a deficient number, since it is larger than the sum of its proper divisors (2360282775).

3609126825 is a wasteful number, since it uses less digits than its factorization.

3609126825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18721 (or 18716 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 3609126825 is about 60076.0087306073. The cubic root of 3609126825 is about 1533.9129518158.

The spelling of 3609126825 in words is "three billion, six hundred nine million, one hundred twenty-six thousand, eight hundred twenty-five".