8454641386534 has 24 divisors (see below), whose sum is σ = 14761169832600. Its totient is φ = 3621284989056.

The previous prime is 8454641386519. The next prime is 8454641386591. The reversal of 8454641386534 is 4356831464548.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25222507 + ... + 25555510.

It is an arithmetic number, because the mean of its divisors is an integer number (615048743025).

Almost surely, 2^{8454641386534} is an apocalyptic number.

8454641386534 is a deficient number, since it is larger than the sum of its proper divisors (6306528446066).

8454641386534 is a wasteful number, since it uses less digits than its factorization.

8454641386534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50779732 (or 50779725 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 61.

The spelling of 8454641386534 in words is "eight trillion, four hundred fifty-four billion, six hundred forty-one million, three hundred eighty-six thousand, five hundred thirty-four".