3903871652 has 6 divisors (see below), whose sum is σ = 6831775398. Its totient is φ = 1951935824.

The previous prime is 3903871639. The next prime is 3903871691. The reversal of 3903871652 is 2561783093.

It can be written as a sum of positive squares in only one way, i.e., 3199712356 + 704159296 = 56566^2 + 26536^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487983953 + ... + 487983960.

It is an arithmetic number, because the mean of its divisors is an integer number (1138629233).

Almost surely, 2^3903871652 is an apocalyptic number.

It is an amenable number.

3903871652 is a deficient number, since it is larger than the sum of its proper divisors (2927903746).

3903871652 is a wasteful number, since it uses less digits than its factorization.

3903871652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975967917 (or 975967915 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 3903871652 is about 62480.9703189699. The cubic root of 3903871652 is about 1574.5816175347.

The spelling of 3903871652 in words is "three billion, nine hundred three million, eight hundred seventy-one thousand, six hundred fifty-two".