9479078489 has 2 divisors, whose sum is σ = 9479078490. Its totient is φ = 9479078488.

The previous prime is 9479078447. The next prime is 9479078593. The reversal of 9479078489 is 9848709749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6297216025 + 3181862464 = 79355^2 + 56408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9479078489 is a prime.

It is not a weakly prime, because it can be changed into another prime (9479078429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739539244 + 4739539245.

It is an arithmetic number, because the mean of its divisors is an integer number (4739539245).

Almost surely, 2^9479078489 is an apocalyptic number.

It is an amenable number.

9479078489 is a deficient number, since it is larger than the sum of its proper divisors (1).

9479078489 is an equidigital number, since it uses as much as digits as its factorization.

9479078489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 65.

The square root of 9479078489 is about 97360.5592064877. The cubic root of 9479078489 is about 2116.3559155628.

The spelling of 9479078489 in words is "nine billion, four hundred seventy-nine million, seventy-eight thousand, four hundred eighty-nine".