9699049601 has 2 divisors, whose sum is σ = 9699049602. Its totient is φ = 9699049600.

The previous prime is 9699049597. The next prime is 9699049637. The reversal of 9699049601 is 1069409969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9608704576 + 90345025 = 98024^2 + 9505^2 .

It is a cyclic number.

It is not a de Polignac number, because 9699049601 - 2² = 9699049597 is a prime.

It is not a weakly prime, because it can be changed into another prime (9699049651) 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, 4849524800 + 4849524801.

It is an arithmetic number, because the mean of its divisors is an integer number (4849524801).

Almost surely, 2^9699049601 is an apocalyptic number.

It is an amenable number.

9699049601 is a deficient number, since it is larger than the sum of its proper divisors (1).

9699049601 is an equidigital number, since it uses as much as digits as its factorization.

9699049601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 9699049601 is about 98483.7529798697. The cubic root of 9699049601 is about 2132.6015807014.

The spelling of 9699049601 in words is "nine billion, six hundred ninety-nine million, forty-nine thousand, six hundred one".