1244000941919 has 4 divisors (see below), whose sum is σ = 1244166177360. Its totient is φ = 1243835706480.

The previous prime is 1244000941903. The next prime is 1244000941921. The reversal of 1244000941919 is 9191490004421.

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 1244000941919 - 2⁴ = 1244000941903 is a prime.

It is a super-2 number, since 2×1244000941919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244000941919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244000941019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82606427 + ... + 82621484.

It is an arithmetic number, because the mean of its divisors is an integer number (311041544340).

Almost surely, 2^{1244000941919} is an apocalyptic number.

1244000941919 is a deficient number, since it is larger than the sum of its proper divisors (165235441).

1244000941919 is an equidigital number, since it uses as much as digits as its factorization.

1244000941919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165235440.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 1244000941919 in words is "one trillion, two hundred forty-four billion, nine hundred forty-one thousand, nine hundred nineteen".