172893109046 has 32 divisors (see below), whose sum is σ = 306610249728. Its totient is φ = 71551861920.

The previous prime is 172893109013. The next prime is 172893109069. The reversal of 172893109046 is 640901398271.

172893109046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172893108985 and 172893109003.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 229265 + ... + 631148.

It is an arithmetic number, because the mean of its divisors is an integer number (9581570304).

Almost surely, 2^172893109046 is an apocalyptic number.

172893109046 is a deficient number, since it is larger than the sum of its proper divisors (133717140682).

172893109046 is a wasteful number, since it uses less digits than its factorization.

172893109046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860916.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 172893109046 in words is "one hundred seventy-two billion, eight hundred ninety-three million, one hundred nine thousand, forty-six".