6619381441 has 8 divisors (see below), whose sum is σ = 6779606400. Its totient is φ = 6459964368.

The previous prime is 6619381427. The next prime is 6619381487. The reversal of 6619381441 is 1441839166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6619381441 - 2⁷ = 6619381313 is a prime.

It is a super-2 number, since 2×6619381441² = 87632421322910472962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6619381541) 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 7 ways as a sum of consecutive naturals, for example, 185371 + ... + 218176.

It is an arithmetic number, because the mean of its divisors is an integer number (847450800).

Almost surely, 2^6619381441 is an apocalyptic number.

It is an amenable number.

6619381441 is a deficient number, since it is larger than the sum of its proper divisors (160224959).

6619381441 is a wasteful number, since it uses less digits than its factorization.

6619381441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403943.

The product of its digits is 124416, while the sum is 43.

The square root of 6619381441 is about 81359.5811260112. The cubic root of 6619381441 is about 1877.6117857346.

The spelling of 6619381441 in words is "six billion, six hundred nineteen million, three hundred eighty-one thousand, four hundred forty-one".