19013260797250 has 32 divisors (see below), whose sum is σ = 36420564331008. Its totient is φ = 7428436772400.

The previous prime is 19013260797247. The next prime is 19013260797259. The reversal of 19013260797250 is 5279706231091.

It is a super-2 number, since 2×19013260797250² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19013260797259) 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, 884326962 + ... + 884348461.

It is an arithmetic number, because the mean of its divisors is an integer number (1138142635344).

Almost surely, 2^{19013260797250} is an apocalyptic number.

19013260797250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19013260797250 is a deficient number, since it is larger than the sum of its proper divisors (17407303533758).

19013260797250 is a wasteful number, since it uses less digits than its factorization.

19013260797250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768675483 (or 1768675473 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 19013260797250 in words is "nineteen trillion, thirteen billion, two hundred sixty million, seven hundred ninety-seven thousand, two hundred fifty".