19879734563483 has 4 divisors (see below), whose sum is σ = 19886271802488. Its totient is φ = 19873197324480.

The previous prime is 19879734563473. The next prime is 19879734563567. The reversal of 19879734563483 is 38436543797891.

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 19879734563483 - 2¹² = 19879734559387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19879734563473) 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, 3268614941 + ... + 3268621022.

It is an arithmetic number, because the mean of its divisors is an integer number (4971567950622).

Almost surely, 2^{19879734563483} is an apocalyptic number.

19879734563483 is a deficient number, since it is larger than the sum of its proper divisors (6537239005).

19879734563483 is an equidigital number, since it uses as much as digits as its factorization.

19879734563483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537239004.

The product of its digits is 3292047360, while the sum is 77.

The spelling of 19879734563483 in words is "nineteen trillion, eight hundred seventy-nine billion, seven hundred thirty-four million, five hundred sixty-three thousand, four hundred eighty-three".