3641144825 has 6 divisors (see below), whose sum is σ = 4515019614. Its totient is φ = 2912915840.

The previous prime is 3641144809. The next prime is 3641144831. The reversal of 3641144825 is 5284411463.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34421689 + 3606723136 = 5867^2 + 60056^2 .

It is not a de Polignac number, because 3641144825 - 2⁴ = 3641144809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72822872 + ... + 72822921.

It is an arithmetic number, because the mean of its divisors is an integer number (752503269).

Almost surely, 2^3641144825 is an apocalyptic number.

It is an amenable number.

3641144825 is a deficient number, since it is larger than the sum of its proper divisors (873874789).

3641144825 is a wasteful number, since it uses less digits than its factorization.

3641144825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145645803 (or 145645798 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 3641144825 is about 60341.8994149173. The cubic root of 3641144825 is about 1538.4355880575.

The spelling of 3641144825 in words is "three billion, six hundred forty-one million, one hundred forty-four thousand, eight hundred twenty-five".