6454645812999 has 8 divisors (see below), whose sum is σ = 9562438241520. Its totient is φ = 4303097208648.

The previous prime is 6454645812997. The next prime is 6454645813013. The reversal of 6454645812999 is 9992185464546.

6454645812999 is a `hidden beast` number, since 6 + 4 + 5 + 46 + 458 + 129 + 9 + 9 = 666.

It is not a de Polignac number, because 6454645812999 - 2¹ = 6454645812997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454645812997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119530477992 + ... + 119530478045.

It is an arithmetic number, because the mean of its divisors is an integer number (1195304780190).

Almost surely, 2^{6454645812999} is an apocalyptic number.

6454645812999 is a deficient number, since it is larger than the sum of its proper divisors (3107792428521).

6454645812999 is a wasteful number, since it uses less digits than its factorization.

6454645812999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239060956046 (or 239060956040 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 72.

The spelling of 6454645812999 in words is "six trillion, four hundred fifty-four billion, six hundred forty-five million, eight hundred twelve thousand, nine hundred ninety-nine".