9506504947 has 2 divisors, whose sum is σ = 9506504948. Its totient is φ = 9506504946.

The previous prime is 9506504933. The next prime is 9506504951. The reversal of 9506504947 is 7494056059.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9506504947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9506504947.

It is not a weakly prime, because it can be changed into another prime (9506504927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4753252473 + 4753252474.

It is an arithmetic number, because the mean of its divisors is an integer number (4753252474).

Almost surely, 2^9506504947 is an apocalyptic number.

9506504947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9506504947 is an equidigital number, since it uses as much as digits as its factorization.

9506504947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 9506504947 is about 97501.3074117470. The cubic root of 9506504947 is about 2118.3950819752.

The spelling of 9506504947 in words is "nine billion, five hundred six million, five hundred four thousand, nine hundred forty-seven".