109185593847 has 48 divisors (see below), whose sum is σ = 169744455552. Its totient is φ = 61897582080.

The previous prime is 109185593773. The next prime is 109185593849. The reversal of 109185593847 is 748395581901.

It is not a de Polignac number, because 109185593847 - 2⁷ = 109185593719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109185593849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1519413 + ... + 1589649.

It is an arithmetic number, because the mean of its divisors is an integer number (3536342824).

Almost surely, 2^109185593847 is an apocalyptic number.

109185593847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

109185593847 is a deficient number, since it is larger than the sum of its proper divisors (60558861705).

109185593847 is a wasteful number, since it uses less digits than its factorization.

109185593847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70448 (or 70431 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 109185593847 in words is "one hundred nine billion, one hundred eighty-five million, five hundred ninety-three thousand, eight hundred forty-seven".