227085098451649 has 9 divisors (see below), whose sum is σ = 227431239916387. Its totient is φ = 226739483069944.

The previous prime is 227085098451647. The next prime is 227085098451661. The reversal of 227085098451649 is 946154890580722.

The square root of 227085098451649 is 15069343.

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

It can be written as a sum of positive squares in only one way, i.e., 225745366280625 + 1339732171024 = 15024825^2 + 1157468^2 .

It is not a de Polignac number, because 227085098451649 - 2¹ = 227085098451647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227085098451647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10201934082 + ... + 10201956340.

Almost surely, 2^{227085098451649} is an apocalyptic number.

227085098451649 is the 15069343-rd square number.

227085098451649 is the 7534672-nd centered octagonal number.

It is an amenable number.

227085098451649 is a deficient number, since it is larger than the sum of its proper divisors (346141464738).

227085098451649 is an frugal number, since it uses more digits than its factorization.

227085098451649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45872 (or 22936 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 70.

The spelling of 227085098451649 in words is "two hundred twenty-seven trillion, eighty-five billion, ninety-eight million, four hundred fifty-one thousand, six hundred forty-nine".