9628953949 has 2 divisors, whose sum is σ = 9628953950. Its totient is φ = 9628953948.

The previous prime is 9628953937. The next prime is 9628954019. The reversal of 9628953949 is 9493598269.

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., 6721048324 + 2907905625 = 81982^2 + 53925^2 .

It is a cyclic number.

It is not a de Polignac number, because 9628953949 - 2¹¹ = 9628951901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9628953049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4814476974 + 4814476975.

It is an arithmetic number, because the mean of its divisors is an integer number (4814476975).

Almost surely, 2^9628953949 is an apocalyptic number.

It is an amenable number.

9628953949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9628953949 is an equidigital number, since it uses as much as digits as its factorization.

9628953949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37791360, while the sum is 64.

The square root of 9628953949 is about 98127.2334726706. The cubic root of 9628953949 is about 2127.4516717757.

The spelling of 9628953949 in words is "nine billion, six hundred twenty-eight million, nine hundred fifty-three thousand, nine hundred forty-nine".