3625786849 has 4 divisors (see below), whose sum is σ = 3675455236. Its totient is φ = 3576118464.

The previous prime is 3625786841. The next prime is 3625786867. The reversal of 3625786849 is 9486875263.

3625786849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9486875263 = 4241 ⋅2236943.

It can be written as a sum of positive squares in 2 ways, for example, as 792141025 + 2833645824 = 28145^2 + 53232^2 .

It is a cyclic number.

It is not a de Polignac number, because 3625786849 - 2³ = 3625786841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3625786793 and 3625786802.

It is not an unprimeable number, because it can be changed into a prime (3625786841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24834084 + ... + 24834229.

It is an arithmetic number, because the mean of its divisors is an integer number (918863809).

Almost surely, 2^3625786849 is an apocalyptic number.

It is an amenable number.

3625786849 is a deficient number, since it is larger than the sum of its proper divisors (49668387).

3625786849 is an equidigital number, since it uses as much as digits as its factorization.

3625786849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49668386.

The product of its digits is 17418240, while the sum is 58.

The square root of 3625786849 is about 60214.5069646842. The cubic root of 3625786849 is about 1536.2695519018.

The spelling of 3625786849 in words is "three billion, six hundred twenty-five million, seven hundred eighty-six thousand, eight hundred forty-nine".