9428950913 has 2 divisors, whose sum is σ = 9428950914. Its totient is φ = 9428950912.

The previous prime is 9428950897. The next prime is 9428950957. The reversal of 9428950913 is 3190598249.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6920243344 + 2508707569 = 83188^2 + 50087^2 .

It is a cyclic number.

It is not a de Polignac number, because 9428950913 - 2⁴ = 9428950897 is a prime.

It is not a weakly prime, because it can be changed into another prime (9428959913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714475456 + 4714475457.

It is an arithmetic number, because the mean of its divisors is an integer number (4714475457).

Almost surely, 2^9428950913 is an apocalyptic number.

It is an amenable number.

9428950913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9428950913 is an equidigital number, since it uses as much as digits as its factorization.

9428950913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 9428950913 is about 97102.7852999078. The cubic root of 9428950913 is about 2112.6187256686.

The spelling of 9428950913 in words is "nine billion, four hundred twenty-eight million, nine hundred fifty thousand, nine hundred thirteen".