3869625648 has 60 divisors (see below), whose sum is σ = 11628627000. Its totient is φ = 1105606656.

The previous prime is 3869625647. The next prime is 3869625653. The reversal of 3869625648 is 8465269683.

3869625648 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3869625647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820273 + ... + 824976.

It is an arithmetic number, because the mean of its divisors is an integer number (193810450).

Almost surely, 2^3869625648 is an apocalyptic number.

It is an amenable number.

3869625648 is an abundant number, since it is smaller than the sum of its proper divisors (7759001352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3869625648 is a wasteful number, since it uses less digits than its factorization.

3869625648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645274 (or 1645261 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The square root of 3869625648 is about 62206.3151778017. The cubic root of 3869625648 is about 1569.9638446243.

The spelling of 3869625648 in words is "three billion, eight hundred sixty-nine million, six hundred twenty-five thousand, six hundred forty-eight".