3859218913 has 4 divisors (see below), whose sum is σ = 4210057008. Its totient is φ = 3508380820.

The previous prime is 3859218901. The next prime is 3859218919. The reversal of 3859218913 is 3198129583.

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 a cyclic number.

It is not a de Polignac number, because 3859218913 - 2⁹ = 3859218401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3859218919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175419031 + ... + 175419052.

It is an arithmetic number, because the mean of its divisors is an integer number (1052514252).

Almost surely, 2^3859218913 is an apocalyptic number.

It is an amenable number.

3859218913 is a deficient number, since it is larger than the sum of its proper divisors (350838095).

3859218913 is a wasteful number, since it uses less digits than its factorization.

3859218913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350838094.

The product of its digits is 466560, while the sum is 49.

The square root of 3859218913 is about 62122.6119299567. The cubic root of 3859218913 is about 1568.5551927789. Note that the first 3 decimals are identical.

The spelling of 3859218913 in words is "three billion, eight hundred fifty-nine million, two hundred eighteen thousand, nine hundred thirteen".