19016414405 has 16 divisors (see below), whose sum is σ = 22885369344. Its totient is φ = 15169414080.

The previous prime is 19016414401. The next prime is 19016414447. The reversal of 19016414405 is 50441461091.

It is a happy number.

It is not a de Polignac number, because 19016414405 - 2² = 19016414401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19016414401) 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, 2983532 + ... + 2989898.

It is an arithmetic number, because the mean of its divisors is an integer number (1430335584).

Almost surely, 2^19016414405 is an apocalyptic number.

It is an amenable number.

19016414405 is a deficient number, since it is larger than the sum of its proper divisors (3868954939).

19016414405 is a wasteful number, since it uses less digits than its factorization.

19016414405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7996.

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 19016414405 its reverse (50441461091), we get a palindrome (69457875496).

The spelling of 19016414405 in words is "nineteen billion, sixteen million, four hundred fourteen thousand, four hundred five".