19000050263444 has 48 divisors (see below), whose sum is σ = 34248505127760. Its totient is φ = 9217353277440.

The previous prime is 19000050263443. The next prime is 19000050263471. The reversal of 19000050263444 is 44436205000091.

It can be written as a sum of positive squares in 8 ways, for example, as 2103840013444 + 16896210250000 = 1450462^2 + 4110500^2 .

It is a super-2 number, since 2×19000050263444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19000050263398 and 19000050263407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19000050263443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76672412 + ... + 76919820.

It is an arithmetic number, because the mean of its divisors is an integer number (713510523495).

Almost surely, 2^{19000050263444} is an apocalyptic number.

It is an amenable number.

19000050263444 is a deficient number, since it is larger than the sum of its proper divisors (15248454864316).

19000050263444 is a wasteful number, since it uses less digits than its factorization.

19000050263444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250028 (or 250026 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 19000050263444 in words is "nineteen trillion, fifty million, two hundred sixty-three thousand, four hundred forty-four".