9694131509 has 2 divisors, whose sum is σ = 9694131510. Its totient is φ = 9694131508.

The previous prime is 9694131463. The next prime is 9694131511. The reversal of 9694131509 is 9051314969.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6323748484 + 3370383025 = 79522^2 + 58055^2 .

It is a cyclic number.

It is not a de Polignac number, because 9694131509 - 2³² = 5399164213 is a prime.

Together with 9694131511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9694133509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4847065754 + 4847065755.

It is an arithmetic number, because the mean of its divisors is an integer number (4847065755).

Almost surely, 2^9694131509 is an apocalyptic number.

It is an amenable number.

9694131509 is a deficient number, since it is larger than the sum of its proper divisors (1).

9694131509 is an equidigital number, since it uses as much as digits as its factorization.

9694131509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 9694131509 is about 98458.7807612912. The cubic root of 9694131509 is about 2132.2410607029.

The spelling of 9694131509 in words is "nine billion, six hundred ninety-four million, one hundred thirty-one thousand, five hundred nine".