9654907481 has 2 divisors, whose sum is σ = 9654907482. Its totient is φ = 9654907480.

The previous prime is 9654907421. The next prime is 9654907487. The reversal of 9654907481 is 1847094569.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8323825225 + 1331082256 = 91235^2 + 36484^2 .

It is an emirp because it is prime and its reverse (1847094569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9654907481 - 2⁶ = 9654907417 is a prime.

It is a super-2 number, since 2×9654907481² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9654907487) 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, 4827453740 + 4827453741.

It is an arithmetic number, because the mean of its divisors is an integer number (4827453741).

Almost surely, 2^9654907481 is an apocalyptic number.

It is an amenable number.

9654907481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9654907481 is an equidigital number, since it uses as much as digits as its factorization.

9654907481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 9654907481 is about 98259.3887676898. The cubic root of 9654907481 is about 2129.3613756203.

The spelling of 9654907481 in words is "nine billion, six hundred fifty-four million, nine hundred seven thousand, four hundred eighty-one".