9518229473 has 2 divisors, whose sum is σ = 9518229474. Its totient is φ = 9518229472.

The previous prime is 9518229431. The next prime is 9518229481. The reversal of 9518229473 is 3749228159.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9427827409 + 90402064 = 97097^2 + 9508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9518229473 is a prime.

It is not a weakly prime, because it can be changed into another prime (9518529473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4759114736 + 4759114737.

It is an arithmetic number, because the mean of its divisors is an integer number (4759114737).

Almost surely, 2^9518229473 is an apocalyptic number.

It is an amenable number.

9518229473 is a deficient number, since it is larger than the sum of its proper divisors (1).

9518229473 is an equidigital number, since it uses as much as digits as its factorization.

9518229473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 9518229473 is about 97561.4138530188. The cubic root of 9518229473 is about 2119.2656078116.

The spelling of 9518229473 in words is "nine billion, five hundred eighteen million, two hundred twenty-nine thousand, four hundred seventy-three".