199492743156098 has 16 divisors (see below), whose sum is σ = 356856584031360. Its totient is φ = 81779633840256.

The previous prime is 199492743156079. The next prime is 199492743156139. The reversal of 199492743156098 is 890651347294991.

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 7 ways as a sum of consecutive naturals, for example, 309771339983 + ... + 309771340626.

It is an arithmetic number, because the mean of its divisors is an integer number (22303536501960).

It is a 1-persistent number, because it is pandigital, but 2⋅199492743156098 = 398985486312196 is not.

Almost surely, 2^{199492743156098} is an apocalyptic number.

199492743156098 is a deficient number, since it is larger than the sum of its proper divisors (157363840875262).

199492743156098 is a wasteful number, since it uses less digits than its factorization.

199492743156098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619542680641.

The product of its (nonzero) digits is 1058158080, while the sum is 77.

The spelling of 199492743156098 in words is "one hundred ninety-nine trillion, four hundred ninety-two billion, seven hundred forty-three million, one hundred fifty-six thousand, ninety-eight".