9937698949 has 2 divisors, whose sum is σ = 9937698950. Its totient is φ = 9937698948.

The previous prime is 9937698919. The next prime is 9937699003. The reversal of 9937698949 is 9498967399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9213120225 + 724578724 = 95985^2 + 26918^2 .

It is an emirp because it is prime and its reverse (9498967399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9937698949 - 2¹³ = 9937690757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9937698919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4968849474 + 4968849475.

It is an arithmetic number, because the mean of its divisors is an integer number (4968849475).

Almost surely, 2^9937698949 is an apocalyptic number.

It is an amenable number.

9937698949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9937698949 is an equidigital number, since it uses as much as digits as its factorization.

9937698949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238085568, while the sum is 73.

The square root of 9937698949 is about 99688.0080501160. The cubic root of 9937698949 is about 2149.9512481464.

The spelling of 9937698949 in words is "nine billion, nine hundred thirty-seven million, six hundred ninety-eight thousand, nine hundred forty-nine".