8108194450 has 12 divisors (see below), whose sum is σ = 15081241770. Its totient is φ = 3243277760.

The previous prime is 8108194447. The next prime is 8108194469. The reversal of 8108194450 is 544918018.

It can be written as a sum of positive squares in 3 ways, for example, as 5859443209 + 2248751241 = 76547^2 + 47421^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81081895 + ... + 81081994.

Almost surely, 2^8108194450 is an apocalyptic number.

8108194450 is a deficient number, since it is larger than the sum of its proper divisors (6973047320).

8108194450 is a wasteful number, since it uses less digits than its factorization.

8108194450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162163901 (or 162163896 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 8108194450 is about 90045.5132141519. The cubic root of 8108194450 is about 2008.9758608650.

The spelling of 8108194450 in words is "eight billion, one hundred eight million, one hundred ninety-four thousand, four hundred fifty".