2173381375 has 32 divisors (see below), whose sum is σ = 2967404544. Its totient is φ = 1576132000.

The previous prime is 2173381363. The next prime is 2173381381. The reversal of 2173381375 is 5731833712.

It is not a de Polignac number, because 2173381375 - 2¹⁵ = 2173348607 is a prime.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 524562 + ... + 528688.

It is an arithmetic number, because the mean of its divisors is an integer number (92731392).

Almost surely, 2^2173381375 is an apocalyptic number.

2173381375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2173381375 is a deficient number, since it is larger than the sum of its proper divisors (794023169).

2173381375 is a wasteful number, since it uses less digits than its factorization.

2173381375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536 (or 4526 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 2173381375 is about 46619.5385541299. The cubic root of 2173381375 is about 1295.3247000630.

The spelling of 2173381375 in words is "two billion, one hundred seventy-three million, three hundred eighty-one thousand, three hundred seventy-five".