9526478417 has 2 divisors, whose sum is σ = 9526478418. Its totient is φ = 9526478416.

The previous prime is 9526478383. The next prime is 9526478431. The reversal of 9526478417 is 7148746259.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7272507841 + 2253970576 = 85279^2 + 47476^2 .

It is a cyclic number.

It is not a de Polignac number, because 9526478417 - 2²⁰ = 9525429841 is a prime.

It is not a weakly prime, because it can be changed into another prime (9526478477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4763239208 + 4763239209.

It is an arithmetic number, because the mean of its divisors is an integer number (4763239209).

Almost surely, 2^9526478417 is an apocalyptic number.

It is an amenable number.

9526478417 is a deficient number, since it is larger than the sum of its proper divisors (1).

9526478417 is an equidigital number, since it uses as much as digits as its factorization.

9526478417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The square root of 9526478417 is about 97603.6803455689. The cubic root of 9526478417 is about 2119.8776493558.

The spelling of 9526478417 in words is "nine billion, five hundred twenty-six million, four hundred seventy-eight thousand, four hundred seventeen".