1912013419 has 8 divisors (see below), whose sum is σ = 1920786912. Its totient is φ = 1903251840.

The previous prime is 1912013417. The next prime is 1912013459. The reversal of 1912013419 is 9143102191.

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 1912013419 - 2¹ = 1912013417 is a prime.

It is a super-2 number, since 2×1912013419² = 7311590628872139122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1912013417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506499 + ... + 510259.

It is an arithmetic number, because the mean of its divisors is an integer number (240098364).

Almost surely, 2^1912013419 is an apocalyptic number.

1912013419 is a deficient number, since it is larger than the sum of its proper divisors (8773493).

1912013419 is a wasteful number, since it uses less digits than its factorization.

1912013419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1912013419 is about 43726.5756605751. The cubic root of 1912013419 is about 1241.1672625959.

The spelling of 1912013419 in words is "one billion, nine hundred twelve million, thirteen thousand, four hundred nineteen".