1912442419 has 4 divisors (see below), whose sum is σ = 1912870696. Its totient is φ = 1912014144.

The previous prime is 1912442339. The next prime is 1912442431. The reversal of 1912442419 is 9142442191.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1912442419 - 2¹¹ = 1912440371 is a prime.

It is a super-2 number, since 2×1912442419² = 7314872011981143122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1912442459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207369 + ... + 216394.

It is an arithmetic number, because the mean of its divisors is an integer number (478217674).

Almost surely, 2^1912442419 is an apocalyptic number.

1912442419 is a deficient number, since it is larger than the sum of its proper divisors (428277).

1912442419 is an equidigital number, since it uses as much as digits as its factorization.

1912442419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428276.

The product of its digits is 20736, while the sum is 37.

The square root of 1912442419 is about 43731.4808690490. The cubic root of 1912442419 is about 1241.2600828890.

The spelling of 1912442419 in words is "one billion, nine hundred twelve million, four hundred forty-two thousand, four hundred nineteen".