2235857873 has 4 divisors (see below), whose sum is σ = 2236058688. Its totient is φ = 2235657060.

The previous prime is 2235857849. The next prime is 2235857891. The reversal of 2235857873 is 3787585322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2235857873 - 2¹² = 2235853777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2235857803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82661 + ... + 106322.

It is an arithmetic number, because the mean of its divisors is an integer number (559014672).

Almost surely, 2^2235857873 is an apocalyptic number.

It is an amenable number.

2235857873 is a deficient number, since it is larger than the sum of its proper divisors (200815).

2235857873 is a wasteful number, since it uses less digits than its factorization.

2235857873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200814.

The product of its digits is 2822400, while the sum is 50.

The square root of 2235857873 is about 47284.8588133665. The cubic root of 2235857873 is about 1307.6195281100.

The spelling of 2235857873 in words is "two billion, two hundred thirty-five million, eight hundred fifty-seven thousand, eight hundred seventy-three".