2538718172 has 12 divisors (see below), whose sum is σ = 4509067080. Its totient is φ = 1250413296.

The previous prime is 2538718163. The next prime is 2538718183. The reversal of 2538718172 is 2718178352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4736147 + ... + 4736682.

It is an arithmetic number, because the mean of its divisors is an integer number (375755590).

Almost surely, 2^2538718172 is an apocalyptic number.

It is an amenable number.

2538718172 is a deficient number, since it is larger than the sum of its proper divisors (1970348908).

2538718172 is a wasteful number, since it uses less digits than its factorization.

2538718172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472900 (or 9472898 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 2538718172 is about 50385.6941204545. The cubic root of 2538718172 is about 1364.1794317661.

The spelling of 2538718172 in words is "two billion, five hundred thirty-eight million, seven hundred eighteen thousand, one hundred seventy-two".