6547894489071 has 48 divisors (see below), whose sum is σ = 10789840020960. Its totient is φ = 3790661898240.

The previous prime is 6547894489057. The next prime is 6547894489091. The reversal of 6547894489071 is 1709844987456.

6547894489071 is a `hidden beast` number, since 6 + 5 + 4 + 78 + 9 + 4 + 489 + 0 + 71 = 666.

It is not a de Polignac number, because 6547894489071 - 2⁷ = 6547894488943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6547894489091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3461436 + ... + 5007726.

It is an arithmetic number, because the mean of its divisors is an integer number (224788333770).

Almost surely, 2^{6547894489071} is an apocalyptic number.

6547894489071 is a deficient number, since it is larger than the sum of its proper divisors (4241945531889).

6547894489071 is a wasteful number, since it uses less digits than its factorization.

6547894489071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548456 (or 1548453 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 6547894489071 in words is "six trillion, five hundred forty-seven billion, eight hundred ninety-four million, four hundred eighty-nine thousand, seventy-one".