9272646281 has 2 divisors, whose sum is σ = 9272646282. Its totient is φ = 9272646280.

The previous prime is 9272646233. The next prime is 9272646319. The reversal of 9272646281 is 1826462729.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5538336400 + 3734309881 = 74420^2 + 61109^2 .

It is a cyclic number.

It is not a de Polignac number, because 9272646281 - 2¹⁴ = 9272629897 is a prime.

It is a super-2 number, since 2×9272646281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9272646181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4636323140 + 4636323141.

It is an arithmetic number, because the mean of its divisors is an integer number (4636323141).

Almost surely, 2^9272646281 is an apocalyptic number.

It is an amenable number.

9272646281 is a deficient number, since it is larger than the sum of its proper divisors (1).

9272646281 is an equidigital number, since it uses as much as digits as its factorization.

9272646281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 9272646281 is about 96294.5807457512. The cubic root of 9272646281 is about 2100.8799245982.

The spelling of 9272646281 in words is "nine billion, two hundred seventy-two million, six hundred forty-six thousand, two hundred eighty-one".