9479744551 has 2 divisors, whose sum is σ = 9479744552. Its totient is φ = 9479744550.

The previous prime is 9479744531. The next prime is 9479744587. The reversal of 9479744551 is 1554479749.

It is a weak prime.

It is an emirp because it is prime and its reverse (1554479749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9479744551 - 2¹⁹ = 9479220263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9479744492 and 9479744501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9479744531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739872275 + 4739872276.

It is an arithmetic number, because the mean of its divisors is an integer number (4739872276).

Almost surely, 2^9479744551 is an apocalyptic number.

9479744551 is a deficient number, since it is larger than the sum of its proper divisors (1).

9479744551 is an equidigital number, since it uses as much as digits as its factorization.

9479744551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 55.

The square root of 9479744551 is about 97363.9797409699. The cubic root of 9479744551 is about 2116.4054840675.

The spelling of 9479744551 in words is "nine billion, four hundred seventy-nine million, seven hundred forty-four thousand, five hundred fifty-one".