9256475491 has 2 divisors, whose sum is σ = 9256475492. Its totient is φ = 9256475490.

The previous prime is 9256475479. The next prime is 9256475581. The reversal of 9256475491 is 1945746529.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9256475491 - 2¹³ = 9256467299 is a prime.

It is not a weakly prime, because it can be changed into another prime (9256475191) 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, 4628237745 + 4628237746.

It is an arithmetic number, because the mean of its divisors is an integer number (4628237746).

Almost surely, 2^9256475491 is an apocalyptic number.

9256475491 is a deficient number, since it is larger than the sum of its proper divisors (1).

9256475491 is an equidigital number, since it uses as much as digits as its factorization.

9256475491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 52.

The square root of 9256475491 is about 96210.5788933837. The cubic root of 9256475491 is about 2099.6579557049.

The spelling of 9256475491 in words is "nine billion, two hundred fifty-six million, four hundred seventy-five thousand, four hundred ninety-one".