2142173355 has 64 divisors (see below), whose sum is σ = 4020200448. Its totient is φ = 953648640.

The previous prime is 2142173353. The next prime is 2142173381. The reversal of 2142173355 is 5533712412.

It is not a de Polignac number, because 2142173355 - 2¹ = 2142173353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142173351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2442177 + ... + 2443053.

It is an arithmetic number, because the mean of its divisors is an integer number (62815632).

Almost surely, 2^2142173355 is an apocalyptic number.

2142173355 is a deficient number, since it is larger than the sum of its proper divisors (1878027093).

2142173355 is a wasteful number, since it uses less digits than its factorization.

2142173355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476.

The product of its digits is 25200, while the sum is 33.

The square root of 2142173355 is about 46283.6186463418. The cubic root of 2142173355 is about 1289.0948430614.

Adding to 2142173355 its reverse (5533712412), we get a palindrome (7675885767).

The spelling of 2142173355 in words is "two billion, one hundred forty-two million, one hundred seventy-three thousand, three hundred fifty-five".