100519427194 has 32 divisors (see below), whose sum is σ = 166626585216. Its totient is φ = 45236590080.

The previous prime is 100519427191. The next prime is 100519427201. The reversal of 100519427194 is 491724915001.

It is a self number, because there is not a number n which added to its sum of digits gives 100519427194.

It is not an unprimeable number, because it can be changed into a prime (100519427191) 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, 4399869 + ... + 4422655.

It is an arithmetic number, because the mean of its divisors is an integer number (5207080788).

Almost surely, 2^100519427194 is an apocalyptic number.

100519427194 is a deficient number, since it is larger than the sum of its proper divisors (66107158022).

100519427194 is a wasteful number, since it uses less digits than its factorization.

100519427194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28470.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 100519427194 in words is "one hundred billion, five hundred nineteen million, four hundred twenty-seven thousand, one hundred ninety-four".