19864927514113 has 16 divisors (see below), whose sum is σ = 22950105335424. Its totient is φ = 16993380821760.

The previous prime is 19864927514111. The next prime is 19864927514137. The reversal of 19864927514113 is 31141572946891.

It is a cyclic number.

It is not a de Polignac number, because 19864927514113 - 2¹ = 19864927514111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19864927514111) 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, 9512445 + ... + 11411242.

It is an arithmetic number, because the mean of its divisors is an integer number (1434381583464).

Almost surely, 2^{19864927514113} is an apocalyptic number.

It is an amenable number.

19864927514113 is a deficient number, since it is larger than the sum of its proper divisors (3085177821311).

19864927514113 is a wasteful number, since it uses less digits than its factorization.

19864927514113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928792.

The product of its digits is 13063680, while the sum is 61.

The spelling of 19864927514113 in words is "nineteen trillion, eight hundred sixty-four billion, nine hundred twenty-seven million, five hundred fourteen thousand, one hundred thirteen".