6919889304889 has 12 divisors (see below), whose sum is σ = 7617988578928. Its totient is φ = 6281024860440.

The previous prime is 6919889304869. The next prime is 6919889304931. The reversal of 6919889304889 is 9884039889196.

6919889304889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6919889304889 - 2¹⁷ = 6919889173817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6919889304869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44392779 + ... + 44548384.

Almost surely, 2^{6919889304889} is an apocalyptic number.

It is an amenable number.

6919889304889 is a deficient number, since it is larger than the sum of its proper divisors (698099274039).

6919889304889 is a wasteful number, since it uses less digits than its factorization.

6919889304889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88941828 (or 88941817 counting only the distinct ones).

The product of its (nonzero) digits is 1934917632, while the sum is 82.

The spelling of 6919889304889 in words is "six trillion, nine hundred nineteen billion, eight hundred eighty-nine million, three hundred four thousand, eight hundred eighty-nine".