199748574459348 has 24 divisors (see below), whose sum is σ = 477447812123520. Its totient is φ = 64958886002880.

The previous prime is 199748574459323. The next prime is 199748574459349. The reversal of 199748574459348 is 843954475847991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199748574459349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202996518268 + ... + 202996519251.

It is an arithmetic number, because the mean of its divisors is an integer number (19893658838480).

Almost surely, 2^{199748574459348} is an apocalyptic number.

It is an amenable number.

199748574459348 is an abundant number, since it is smaller than the sum of its proper divisors (277699237664172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199748574459348 is a wasteful number, since it uses less digits than its factorization.

199748574459348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405993037567 (or 405993037565 counting only the distinct ones).

The product of its digits is 43893964800, while the sum is 87.

The spelling of 199748574459348 in words is "one hundred ninety-nine trillion, seven hundred forty-eight billion, five hundred seventy-four million, four hundred fifty-nine thousand, three hundred forty-eight".