19244949345 has 12 divisors (see below), whose sum is σ = 33357912276. Its totient is φ = 10263972960.

The previous prime is 19244949281. The next prime is 19244949391. The reversal of 19244949345 is 54394944291.

19244949345 is a `hidden beast` number, since 1 + 9 + 24 + 494 + 93 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10008201681 + 9236747664 = 100041^2 + 96108^2 .

It is not a de Polignac number, because 19244949345 - 2⁶ = 19244949281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19244949291 and 19244949300.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 213832726 + ... + 213832815.

It is an arithmetic number, because the mean of its divisors is an integer number (2779826023).

Almost surely, 2^19244949345 is an apocalyptic number.

19244949345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19244949345 is a deficient number, since it is larger than the sum of its proper divisors (14112962931).

19244949345 is a wasteful number, since it uses less digits than its factorization.

19244949345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427665552 (or 427665549 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 19244949345 in words is "nineteen billion, two hundred forty-four million, nine hundred forty-nine thousand, three hundred forty-five".