6889873049 has 4 divisors (see below), whose sum is σ = 6890325264. Its totient is φ = 6889420836.

The previous prime is 6889873037. The next prime is 6889873087. The reversal of 6889873049 is 9403789886.

It is a happy number.

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 6889873049 - 2¹⁶ = 6889807513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6889872982 and 6889873000.

It is not an unprimeable number, because it can be changed into a prime (6889873019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202427 + ... + 234000.

It is an arithmetic number, because the mean of its divisors is an integer number (1722581316).

Almost surely, 2^6889873049 is an apocalyptic number.

It is an amenable number.

6889873049 is a deficient number, since it is larger than the sum of its proper divisors (452215).

6889873049 is a wasteful number, since it uses less digits than its factorization.

6889873049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452214.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The square root of 6889873049 is about 83005.2591647059. The cubic root of 6889873049 is about 1902.8464306172.

The spelling of 6889873049 in words is "six billion, eight hundred eighty-nine million, eight hundred seventy-three thousand, forty-nine".