1063794593563 has 16 divisors (see below), whose sum is σ = 1149064569856. Its totient is φ = 979019822880.

The previous prime is 1063794593531. The next prime is 1063794593591. The reversal of 1063794593563 is 3653954973601.

It is a cyclic number.

It is not a de Polignac number, because 1063794593563 - 2⁵ = 1063794593531 is a prime.

It is a super-2 number, since 2×1063794593563² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1063794593263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6650818 + ... + 6808888.

It is an arithmetic number, because the mean of its divisors is an integer number (71816535616).

Almost surely, 2^{1063794593563} is an apocalyptic number.

1063794593563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1063794593563 is a deficient number, since it is larger than the sum of its proper divisors (85269976293).

1063794593563 is a wasteful number, since it uses less digits than its factorization.

1063794593563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159634.

The product of its (nonzero) digits is 55112400, while the sum is 61.

The spelling of 1063794593563 in words is "one trillion, sixty-three billion, seven hundred ninety-four million, five hundred ninety-three thousand, five hundred sixty-three".