6889480919 has 4 divisors (see below), whose sum is σ = 7075683144. Its totient is φ = 6703278696.

The previous prime is 6889480909. The next prime is 6889480933. The reversal of 6889480919 is 9190849886.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6889480919 is a prime.

It is a super-2 number, since 2×6889480919² = 94929894666530169122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889480909) 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, 93101057 + ... + 93101130.

It is an arithmetic number, because the mean of its divisors is an integer number (1768920786).

Almost surely, 2^6889480919 is an apocalyptic number.

6889480919 is a deficient number, since it is larger than the sum of its proper divisors (186202225).

6889480919 is a wasteful number, since it uses less digits than its factorization.

6889480919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186202224.

The product of its (nonzero) digits is 8957952, while the sum is 62.

The square root of 6889480919 is about 83002.8970518499. The cubic root of 6889480919 is about 1902.8103304200.

The spelling of 6889480919 in words is "six billion, eight hundred eighty-nine million, four hundred eighty thousand, nine hundred nineteen".