9272895890449 has 9 divisors (see below), whose sum is σ = 9290906232699. Its totient is φ = 9254920411320.

The previous prime is 9272895890429. The next prime is 9272895890473. The reversal of 9272895890449 is 9440985982729.

It is a happy number.

The square root of 9272895890449 is 3045143.

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., 9245096330625 + 27799559824 = 3040575^2 + 166732^2 .

It is not a de Polignac number, because 9272895890449 - 2²⁹ = 9272359019537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9272895890429) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1738773987 + ... + 1738779319.

Almost surely, 2^{9272895890449} is an apocalyptic number.

9272895890449 is the 3045143-rd square number.

9272895890449 is the 1522572-nd centered octagonal number.

It is an amenable number.

9272895890449 is a deficient number, since it is larger than the sum of its proper divisors (18010342250).

9272895890449 is an frugal number, since it uses more digits than its factorization.

9272895890449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11808 (or 5904 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 76.

It can be divided in two parts, 9272895 and 890449, that added together give a square (10163344 = 3188²).

The spelling of 9272895890449 in words is "nine trillion, two hundred seventy-two billion, eight hundred ninety-five million, eight hundred ninety thousand, four hundred forty-nine".