228095073649 has 3 divisors (see below), whose sum is σ = 228095551243. Its totient is φ = 228094596056.

The previous prime is 228095073617. The next prime is 228095073653. The reversal of 228095073649 is 946370590822.

The square root of 228095073649 is 477593.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 111519263025 + 116575810624 = 333945^2 + 341432^2 .

It is not a de Polignac number, because 228095073649 - 2⁵ = 228095073617 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 228095073649.

It is not an unprimeable number, because it can be changed into a prime (228095023649) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 238797 + ... + 716389.

Almost surely, 2^228095073649 is an apocalyptic number.

228095073649 is the 477593-rd square number.

228095073649 is the 238797-th centered octagonal number.

It is an amenable number.

228095073649 is a deficient number, since it is larger than the sum of its proper divisors (477594).

228095073649 is an frugal number, since it uses more digits than its factorization.

228095073649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955186 (or 477593 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 228095073649 in words is "two hundred twenty-eight billion, ninety-five million, seventy-three thousand, six hundred forty-nine".