109493851563 has 24 divisors (see below), whose sum is σ = 162548937408. Its totient is φ = 70984175472.

The previous prime is 109493851517. The next prime is 109493851591. The reversal of 109493851563 is 365158394901.

109493851563 is a `hidden beast` number, since 1 + 0 + 9 + 49 + 38 + 5 + 1 + 563 = 666.

It is not a de Polignac number, because 109493851563 - 2⁶ = 109493851499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109493851063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535345 + ... + 711042.

It is an arithmetic number, because the mean of its divisors is an integer number (6772872392).

Almost surely, 2^109493851563 is an apocalyptic number.

109493851563 is a deficient number, since it is larger than the sum of its proper divisors (53055085845).

109493851563 is a wasteful number, since it uses less digits than its factorization.

109493851563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246663 (or 1246660 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 109493851563 in words is "one hundred nine billion, four hundred ninety-three million, eight hundred fifty-one thousand, five hundred sixty-three".