19376680209 has 16 divisors (see below), whose sum is σ = 25899970560. Its totient is φ = 12885621840.

The previous prime is 19376680171. The next prime is 19376680247. The reversal of 19376680209 is 90208667391.

It is an interprime number because it is at equal distance from previous prime (19376680171) and next prime (19376680247).

It is not a de Polignac number, because 19376680209 - 2¹⁹ = 19376155921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19376680249) 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, 3343104 + ... + 3348894.

It is an arithmetic number, because the mean of its divisors is an integer number (1618748160).

Almost surely, 2^19376680209 is an apocalyptic number.

It is an amenable number.

19376680209 is a deficient number, since it is larger than the sum of its proper divisors (6523290351).

19376680209 is a wasteful number, since it uses less digits than its factorization.

19376680209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 19376680209 in words is "nineteen billion, three hundred seventy-six million, six hundred eighty thousand, two hundred nine".