6889949446 has 4 divisors (see below), whose sum is σ = 10334924172. Its totient is φ = 3444974722.

The previous prime is 6889949399. The next prime is 6889949453. The reversal of 6889949446 is 6449499886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6449499886 = 2 ⋅3224749943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722487360 + ... + 1722487363.

It is an arithmetic number, because the mean of its divisors is an integer number (2583731043).

Almost surely, 2^6889949446 is an apocalyptic number.

6889949446 is a deficient number, since it is larger than the sum of its proper divisors (3444974726).

6889949446 is a wasteful number, since it uses less digits than its factorization.

6889949446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444974725.

The product of its digits is 107495424, while the sum is 67.

The square root of 6889949446 is about 83005.7193571624. The cubic root of 6889949446 is about 1902.8534637038.

The spelling of 6889949446 in words is "six billion, eight hundred eighty-nine million, nine hundred forty-nine thousand, four hundred forty-six".