9256531049 has 2 divisors, whose sum is σ = 9256531050. Its totient is φ = 9256531048.

The previous prime is 9256531019. The next prime is 9256531051. The reversal of 9256531049 is 9401356529.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9154662400 + 101868649 = 95680^2 + 10093^2 .

It is a cyclic number.

It is not a de Polignac number, because 9256531049 - 2²⁴ = 9239753833 is a prime.

It is a super-2 number, since 2×9256531049² (a number of 21 digits) contains 22 as substring.

Together with 9256531051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9256531019) 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 as a sum of consecutive naturals, namely, 4628265524 + 4628265525.

It is an arithmetic number, because the mean of its divisors is an integer number (4628265525).

Almost surely, 2^9256531049 is an apocalyptic number.

It is an amenable number.

9256531049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9256531049 is an equidigital number, since it uses as much as digits as its factorization.

9256531049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 9256531049 is about 96210.8676241931. The cubic root of 9256531049 is about 2099.6621564601.

The spelling of 9256531049 in words is "nine billion, two hundred fifty-six million, five hundred thirty-one thousand, forty-nine".