9963186049 has 2 divisors, whose sum is σ = 9963186050. Its totient is φ = 9963186048.

The previous prime is 9963186029. The next prime is 9963186067. The reversal of 9963186049 is 9406813699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9475659649 + 487526400 = 97343^2 + 22080^2 .

It is an emirp because it is prime and its reverse (9406813699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9963186049 - 2²¹ = 9961088897 is a prime.

It is not a weakly prime, because it can be changed into another prime (9963186029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4981593024 + 4981593025.

It is an arithmetic number, because the mean of its divisors is an integer number (4981593025).

Almost surely, 2^9963186049 is an apocalyptic number.

It is an amenable number.

9963186049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9963186049 is an equidigital number, since it uses as much as digits as its factorization.

9963186049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The square root of 9963186049 is about 99815.7605240776. The cubic root of 9963186049 is about 2151.7876640164.

The spelling of 9963186049 in words is "nine billion, nine hundred sixty-three million, one hundred eighty-six thousand, forty-nine".