225723747413 has 8 divisors (see below), whose sum is σ = 233795986200. Its totient is φ = 217670752768.

The previous prime is 225723747401. The next prime is 225723747419. The reversal of 225723747413 is 314747327522.

It can be written as a sum of positive squares in 4 ways, for example, as 31328292004 + 194395455409 = 176998^2 + 440903^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 225723747413 - 2⁴ = 225723747397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225723747419) 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, 4787156 + ... + 4834077.

It is an arithmetic number, because the mean of its divisors is an integer number (29224498275).

Almost surely, 2^225723747413 is an apocalyptic number.

It is an amenable number.

225723747413 is a deficient number, since it is larger than the sum of its proper divisors (8072238787).

225723747413 is an equidigital number, since it uses as much as digits as its factorization.

225723747413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622071.

The product of its digits is 1975680, while the sum is 47.

The spelling of 225723747413 in words is "two hundred twenty-five billion, seven hundred twenty-three million, seven hundred forty-seven thousand, four hundred thirteen".