19374664820099 has 8 divisors (see below), whose sum is σ = 19416866808768. Its totient is φ = 19332491751720.

The previous prime is 19374664820089. The next prime is 19374664820101. The reversal of 19374664820099 is 99002846647391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19374664820099 - 2²⁰ = 19374663771523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19374664820089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5888477 + ... + 8568750.

It is an arithmetic number, because the mean of its divisors is an integer number (2427108351096).

Almost surely, 2^{19374664820099} is an apocalyptic number.

19374664820099 is a deficient number, since it is larger than the sum of its proper divisors (42201988669).

19374664820099 is a wasteful number, since it uses less digits than its factorization.

19374664820099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460145.

The product of its (nonzero) digits is 141087744, while the sum is 68.

The spelling of 19374664820099 in words is "nineteen trillion, three hundred seventy-four billion, six hundred sixty-four million, eight hundred twenty thousand, ninety-nine".