225843319513 has 12 divisors (see below), whose sum is σ = 262750884480. Its totient is φ = 193554061512.

The previous prime is 225843319453. The next prime is 225843319543. The reversal of 225843319513 is 315913348522.

It is not a de Polignac number, because 225843319513 - 2¹³ = 225843311321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225843319543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65520 + ... + 675262.

It is an arithmetic number, because the mean of its divisors is an integer number (21895907040).

Almost surely, 2^225843319513 is an apocalyptic number.

It is an amenable number.

225843319513 is a deficient number, since it is larger than the sum of its proper divisors (36907564967).

225843319513 is an equidigital number, since it uses as much as digits as its factorization.

225843319513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617316 (or 617309 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 225843319513 in words is "two hundred twenty-five billion, eight hundred forty-three million, three hundred nineteen thousand, five hundred thirteen".