9974016901 has 2 divisors, whose sum is σ = 9974016902. Its totient is φ = 9974016900.

The previous prime is 9974016827. The next prime is 9974016919. The reversal of 9974016901 is 1096104799.

It is a Cunningham number, because it is equal to 99870²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9974016900 + 1 = 99870^2 + 1^2 .

It is an emirp because it is prime and its reverse (1096104799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9974016901 - 2³³ = 1384082309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9974016961) 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, 4987008450 + 4987008451.

It is an arithmetic number, because the mean of its divisors is an integer number (4987008451).

Almost surely, 2^9974016901 is an apocalyptic number.

It is an amenable number.

9974016901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9974016901 is an equidigital number, since it uses as much as digits as its factorization.

9974016901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 9974016901 is about 99870.0000050065. Note that the first 5 decimals coincide. The cubic root of 9974016901 is about 2152.5671085836.

The spelling of 9974016901 in words is "nine billion, nine hundred seventy-four million, sixteen thousand, nine hundred one".