2355042871 has 4 divisors (see below), whose sum is σ = 2361192192. Its totient is φ = 2348893552.

The previous prime is 2355042869. The next prime is 2355042881. The reversal of 2355042871 is 1782405532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2355042871 - 2¹ = 2355042869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2355042871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355042881) by changing a digit.

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, 3074086 + ... + 3074851.

It is an arithmetic number, because the mean of its divisors is an integer number (590298048).

Almost surely, 2^2355042871 is an apocalyptic number.

2355042871 is a deficient number, since it is larger than the sum of its proper divisors (6149321).

2355042871 is an equidigital number, since it uses as much as digits as its factorization.

2355042871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149320.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 2355042871 is about 48528.7839431404. The cubic root of 2355042871 is about 1330.4532103496.

The spelling of 2355042871 in words is "two billion, three hundred fifty-five million, forty-two thousand, eight hundred seventy-one".