19914105363 has 4 divisors (see below), whose sum is σ = 26552140488. Its totient is φ = 13276070240.

The previous prime is 19914105359. The next prime is 19914105391. The reversal of 19914105363 is 36350141991.

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 19914105363 - 2² = 19914105359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19914100363) 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, 3319017558 + ... + 3319017563.

It is an arithmetic number, because the mean of its divisors is an integer number (6638035122).

Almost surely, 2^19914105363 is an apocalyptic number.

19914105363 is a deficient number, since it is larger than the sum of its proper divisors (6638035125).

19914105363 is an equidigital number, since it uses as much as digits as its factorization.

19914105363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638035124.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 19914105363 in words is "nineteen billion, nine hundred fourteen million, one hundred five thousand, three hundred sixty-three".