109029971194 has 4 divisors (see below), whose sum is σ = 163544956794. Its totient is φ = 54514985596.

The previous prime is 109029971173. The next prime is 109029971233. The reversal of 109029971194 is 491179920901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491179920901 = 15193 ⋅32329357.

It can be written as a sum of positive squares in only one way, i.e., 98165035969 + 10864935225 = 313313^2 + 104235^2 .

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 as a sum of consecutive naturals, namely, 27257492797 + ... + 27257492800.

Almost surely, 2^109029971194 is an apocalyptic number.

109029971194 is a deficient number, since it is larger than the sum of its proper divisors (54514985600).

109029971194 is an equidigital number, since it uses as much as digits as its factorization.

109029971194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54514985599.

The product of its (nonzero) digits is 367416, while the sum is 52.

The spelling of 109029971194 in words is "one hundred nine billion, twenty-nine million, nine hundred seventy-one thousand, one hundred ninety-four".