9927454949 has 2 divisors, whose sum is σ = 9927454950. Its totient is φ = 9927454948.

The previous prime is 9927454937. The next prime is 9927454981. The reversal of 9927454949 is 9494547299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5804916100 + 4122538849 = 76190^2 + 64207^2 .

It is an emirp because it is prime and its reverse (9494547299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9927454949 - 2¹² = 9927450853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9927454891 and 9927454900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9927454549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4963727474 + 4963727475.

It is an arithmetic number, because the mean of its divisors is an integer number (4963727475).

Almost surely, 2^9927454949 is an apocalyptic number.

It is an amenable number.

9927454949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9927454949 is an equidigital number, since it uses as much as digits as its factorization.

9927454949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 62.

The square root of 9927454949 is about 99636.6144998916. The cubic root of 9927454949 is about 2149.2122550562.

The spelling of 9927454949 in words is "nine billion, nine hundred twenty-seven million, four hundred fifty-four thousand, nine hundred forty-nine".