6453042984864 has 1344 divisors, whose sum is σ = 23353447219200. Its totient is φ = 1715532908544.

The previous prime is 6453042984797. The next prime is 6453042984881. The reversal of 6453042984864 is 4684892403546.

It is a happy number.

6453042984864 is a `hidden beast` number, since 6 + 4 + 53 + 0 + 429 + 84 + 86 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 17583223209 + ... + 17583223575.

It is an arithmetic number, because the mean of its divisors is an integer number (17376076800).

Almost surely, 2^{6453042984864} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6453042984864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11676723609600).

6453042984864 is an abundant number, since it is smaller than the sum of its proper divisors (16900404234336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6453042984864 is a wasteful number, since it uses less digits than its factorization.

6453042984864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 63.

The spelling of 6453042984864 in words is "six trillion, four hundred fifty-three billion, forty-two million, nine hundred eighty-four thousand, eight hundred sixty-four".