30768971043663 has 12 divisors (see below), whose sum is σ = 44485879336080. Its totient is φ = 20493350415936.

The previous prime is 30768971043557. The next prime is 30768971043691. The reversal of 30768971043663 is 36634017986703.

30768971043663 is a `hidden beast` number, since 3 + 0 + 76 + 8 + 9 + 71 + 0 + 436 + 63 = 666.

It is not a de Polignac number, because 30768971043663 - 2²⁴ = 30768954266447 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30768971043663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768971043163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1608068778 + ... + 1608087911.

It is an arithmetic number, because the mean of its divisors is an integer number (3707156611340).

Almost surely, 2^{30768971043663} is an apocalyptic number.

30768971043663 is a deficient number, since it is larger than the sum of its proper divisors (13716908292417).

30768971043663 is a wasteful number, since it uses less digits than its factorization.

30768971043663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216157758 (or 3216157755 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 63.

The spelling of 30768971043663 in words is "thirty trillion, seven hundred sixty-eight billion, nine hundred seventy-one million, forty-three thousand, six hundred sixty-three".