9689036249 has 2 divisors, whose sum is σ = 9689036250. Its totient is φ = 9689036248.

The previous prime is 9689036221. The next prime is 9689036309. The reversal of 9689036249 is 9426309869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8675059600 + 1013976649 = 93140^2 + 31843^2 .

It is an emirp because it is prime and its reverse (9426309869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9689036249 - 2²⁴ = 9672259033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9689036194 and 9689036203.

It is not a weakly prime, because it can be changed into another prime (9689036549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4844518124 + 4844518125.

It is an arithmetic number, because the mean of its divisors is an integer number (4844518125).

Almost surely, 2^9689036249 is an apocalyptic number.

It is an amenable number.

9689036249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9689036249 is an equidigital number, since it uses as much as digits as its factorization.

9689036249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The square root of 9689036249 is about 98432.9022684996. The cubic root of 9689036249 is about 2131.8674248053.

The spelling of 9689036249 in words is "nine billion, six hundred eighty-nine million, thirty-six thousand, two hundred forty-nine".