172093641795 has 16 divisors (see below), whose sum is σ = 305944252320. Its totient is φ = 91783275552.

The previous prime is 172093641787. The next prime is 172093641821. The reversal of 172093641795 is 597146390271.

172093641795 is a `hidden beast` number, since 1 + 7 + 209 + 364 + 1 + 79 + 5 = 666.

It is not a de Polignac number, because 172093641795 - 2³ = 172093641787 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637383724 + ... + 637383993.

It is an arithmetic number, because the mean of its divisors is an integer number (19121515770).

Almost surely, 2^172093641795 is an apocalyptic number.

172093641795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172093641795 is a deficient number, since it is larger than the sum of its proper divisors (133850610525).

172093641795 is a wasteful number, since it uses less digits than its factorization.

172093641795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274767731 (or 1274767725 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 172093641795 in words is "one hundred seventy-two billion, ninety-three million, six hundred forty-one thousand, seven hundred ninety-five".