9478902553 has 2 divisors, whose sum is σ = 9478902554. Its totient is φ = 9478902552.

The previous prime is 9478902541. The next prime is 9478902569. The reversal of 9478902553 is 3552098749.

9478902553 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6392322304 + 3086580249 = 79952^2 + 55557^2 .

It is an emirp because it is prime and its reverse (3552098749) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9478902553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9478902553.

It is not a weakly prime, because it can be changed into another prime (9478902583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739451276 + 4739451277.

It is an arithmetic number, because the mean of its divisors is an integer number (4739451277).

Almost surely, 2^9478902553 is an apocalyptic number.

It is an amenable number.

9478902553 is a deficient number, since it is larger than the sum of its proper divisors (1).

9478902553 is an equidigital number, since it uses as much as digits as its factorization.

9478902553 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9478902553 is about 97359.6556742062. The cubic root of 9478902553 is about 2116.3428219729.

The spelling of 9478902553 in words is "nine billion, four hundred seventy-eight million, nine hundred two thousand, five hundred fifty-three".