3489818825 has 24 divisors (see below), whose sum is σ = 4565556000. Its totient is φ = 2638863360.

The previous prime is 3489818821. The next prime is 3489818879. The reversal of 3489818825 is 5288189843.

It is a happy number.

It is not a de Polignac number, because 3489818825 - 2² = 3489818821 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3489818821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205094 + ... + 221456.

It is an arithmetic number, because the mean of its divisors is an integer number (190231500).

Almost surely, 2^3489818825 is an apocalyptic number.

It is an amenable number.

3489818825 is a deficient number, since it is larger than the sum of its proper divisors (1075737175).

3489818825 is a wasteful number, since it uses less digits than its factorization.

3489818825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16841 (or 16836 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 56.

The square root of 3489818825 is about 59074.6885307066. The cubic root of 3489818825 is about 1516.8208635776.

The spelling of 3489818825 in words is "three billion, four hundred eighty-nine million, eight hundred eighteen thousand, eight hundred twenty-five".