2385571172 has 18 divisors (see below), whose sum is σ = 4421069478. Its totient is φ = 1122432192.

The previous prime is 2385571159. The next prime is 2385571207. The reversal of 2385571172 is 2711755832.

It can be written as a sum of positive squares in only one way, i.e., 2245243456 + 140327716 = 47384^2 + 11846^2 .

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, 399803 + ... + 405725.

It is an arithmetic number, because the mean of its divisors is an integer number (245614971).

Almost surely, 2^2385571172 is an apocalyptic number.

It is an amenable number.

2385571172 is a deficient number, since it is larger than the sum of its proper divisors (2035498306).

2385571172 is an frugal number, since it uses more digits than its factorization.

2385571172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11867 (or 5942 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 2385571172 is about 48842.3092410668. The cubic root of 2385571172 is about 1336.1774127347.

The spelling of 2385571172 in words is "two billion, three hundred eighty-five million, five hundred seventy-one thousand, one hundred seventy-two".