128001493846863 has 384 divisors, whose sum is σ = 243247680585728. Its totient is φ = 63048585600000.

The previous prime is 128001493846847. The next prime is 128001493846871. The reversal of 128001493846863 is 368648394100821.

128001493846863 is a `hidden beast` number, since 1 + 2 + 8 + 0 + 0 + 1 + 493 + 84 + 6 + 8 + 63 = 666.

It is not a de Polignac number, because 128001493846863 - 2⁴ = 128001493846847 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 128001493846863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128001493846813) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 65608145538 + ... + 65608147488.

Almost surely, 2^{128001493846863} is an apocalyptic number.

128001493846863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

128001493846863 is a deficient number, since it is larger than the sum of its proper divisors (115246186738865).

128001493846863 is a wasteful number, since it uses less digits than its factorization.

128001493846863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587 (or 2584 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 128001493846863 in words is "one hundred twenty-eight trillion, one billion, four hundred ninety-three million, eight hundred forty-six thousand, eight hundred sixty-three".