3866502513 has 4 divisors (see below), whose sum is σ = 5155336688. Its totient is φ = 2577668340.

The previous prime is 3866502487. The next prime is 3866502569. The reversal of 3866502513 is 3152056683.

3866502513 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3866502513 - 2⁶ = 3866502449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3866502613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644417083 + ... + 644417088.

It is an arithmetic number, because the mean of its divisors is an integer number (1288834172).

Almost surely, 2^3866502513 is an apocalyptic number.

It is an amenable number.

3866502513 is a deficient number, since it is larger than the sum of its proper divisors (1288834175).

3866502513 is a wasteful number, since it uses less digits than its factorization.

3866502513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288834174.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 3866502513 is about 62181.2070725553. The cubic root of 3866502513 is about 1569.5413637282.

The spelling of 3866502513 in words is "three billion, eight hundred sixty-six million, five hundred two thousand, five hundred thirteen".