6416941387 has 4 divisors (see below), whose sum is σ = 6417431280. Its totient is φ = 6416451496.

The previous prime is 6416941381. The next prime is 6416941403. The reversal of 6416941387 is 7831496146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6416941387 - 2⁷ = 6416941259 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6416941387.

It is not an unprimeable number, because it can be changed into a prime (6416941381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224743 + ... + 251680.

It is an arithmetic number, because the mean of its divisors is an integer number (1604357820).

Almost surely, 2^6416941387 is an apocalyptic number.

6416941387 is a deficient number, since it is larger than the sum of its proper divisors (489893).

6416941387 is a wasteful number, since it uses less digits than its factorization.

6416941387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489892.

The product of its digits is 870912, while the sum is 49.

The square root of 6416941387 is about 80105.8136903933. The cubic root of 6416941387 is about 1858.2723182355.

The spelling of 6416941387 in words is "six billion, four hundred sixteen million, nine hundred forty-one thousand, three hundred eighty-seven".