15794109413563 has 4 divisors (see below), whose sum is σ = 17009040906928. Its totient is φ = 14579177920200.

The previous prime is 15794109413513. The next prime is 15794109413603. The reversal of 15794109413563 is 36531490149751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15794109413563 - 2¹⁷ = 15794109282491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15794109413498 and 15794109413507.

It is not an unprimeable number, because it can be changed into a prime (15794109413503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607465746663 + ... + 607465746688.

It is an arithmetic number, because the mean of its divisors is an integer number (4252260226732).

Almost surely, 2^{15794109413563} is an apocalyptic number.

15794109413563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15794109413563 is a deficient number, since it is larger than the sum of its proper divisors (1214931493365).

15794109413563 is a wasteful number, since it uses less digits than its factorization.

15794109413563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214931493364.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 15794109413563 in words is "fifteen trillion, seven hundred ninety-four billion, one hundred nine million, four hundred thirteen thousand, five hundred sixty-three".