6889480921 has 8 divisors (see below), whose sum is σ = 7253338400. Its totient is φ = 6525748800.

The previous prime is 6889480909. The next prime is 6889480933. The reversal of 6889480921 is 1290849886.

It is an interprime number because it is at equal distance from previous prime (6889480909) and next prime (6889480933).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6889480921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6889420921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94465 + ... + 150673.

It is an arithmetic number, because the mean of its divisors is an integer number (906667300).

Almost surely, 2^6889480921 is an apocalyptic number.

It is an amenable number.

6889480921 is a deficient number, since it is larger than the sum of its proper divisors (363857479).

6889480921 is a wasteful number, since it uses less digits than its factorization.

6889480921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62679.

The product of its (nonzero) digits is 1990656, while the sum is 55.

The square root of 6889480921 is about 83002.8970638977. The cubic root of 6889480921 is about 1902.8103306041.

The spelling of 6889480921 in words is "six billion, eight hundred eighty-nine million, four hundred eighty thousand, nine hundred twenty-one".