1912090284209 has 8 divisors (see below), whose sum is σ = 2280256736640. Its totient is φ = 1567676506176.

The previous prime is 1912090284197. The next prime is 1912090284263. The reversal of 1912090284209 is 9024820902191.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1912090284209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1912090284809) 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, 5938168424 + ... + 5938168745.

It is an arithmetic number, because the mean of its divisors is an integer number (285032092080).

Almost surely, 2^{1912090284209} is an apocalyptic number.

It is an amenable number.

1912090284209 is a deficient number, since it is larger than the sum of its proper divisors (368166452431).

1912090284209 is a wasteful number, since it uses less digits than its factorization.

1912090284209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876337199.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 1912090284209 in words is "one trillion, nine hundred twelve billion, ninety million, two hundred eighty-four thousand, two hundred nine".