225913739645 has 8 divisors (see below), whose sum is σ = 295741622880. Its totient is φ = 164300901520.

The previous prime is 225913739641. The next prime is 225913739731. The reversal of 225913739645 is 546937319522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225913739645 - 2² = 225913739641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225913739641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053761215 + ... + 2053761324.

It is an arithmetic number, because the mean of its divisors is an integer number (36967702860).

Almost surely, 2^225913739645 is an apocalyptic number.

It is an amenable number.

225913739645 is a deficient number, since it is larger than the sum of its proper divisors (69827883235).

225913739645 is a wasteful number, since it uses less digits than its factorization.

225913739645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107522555.

The product of its digits is 12247200, while the sum is 56.

The spelling of 225913739645 in words is "two hundred twenty-five billion, nine hundred thirteen million, seven hundred thirty-nine thousand, six hundred forty-five".