6889338461 has 4 divisors (see below), whose sum is σ = 6950306172. Its totient is φ = 6828370752.

The previous prime is 6889338457. The next prime is 6889338473. The reversal of 6889338461 is 1648339886.

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

It can be written as a sum of positive squares in 2 ways, for example, as 189915961 + 6699422500 = 13781^2 + 81850^2 .

It is a cyclic number.

It is not a de Polignac number, because 6889338461 - 2² = 6889338457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6889338397 and 6889338406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889338481) 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, 30483686 + ... + 30483911.

It is an arithmetic number, because the mean of its divisors is an integer number (1737576543).

Almost surely, 2^6889338461 is an apocalyptic number.

It is an amenable number.

6889338461 is a deficient number, since it is larger than the sum of its proper divisors (60967711).

6889338461 is a wasteful number, since it uses less digits than its factorization.

6889338461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60967710.

The product of its digits is 5971968, while the sum is 56.

The square root of 6889338461 is about 83002.0388966440. The cubic root of 6889338461 is about 1902.7972151396.

The spelling of 6889338461 in words is "six billion, eight hundred eighty-nine million, three hundred thirty-eight thousand, four hundred sixty-one".