9646237441 has 2 divisors, whose sum is σ = 9646237442. Its totient is φ = 9646237440.

The previous prime is 9646237423. The next prime is 9646237457. The reversal of 9646237441 is 1447326469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9642454416 + 3783025 = 98196^2 + 1945^2 .

It is an emirp because it is prime and its reverse (1447326469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9646237441 - 2⁷ = 9646237313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9646237391 and 9646237400.

It is not a weakly prime, because it can be changed into another prime (9646237411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4823118720 + 4823118721.

It is an arithmetic number, because the mean of its divisors is an integer number (4823118721).

Almost surely, 2^9646237441 is an apocalyptic number.

It is an amenable number.

9646237441 is a deficient number, since it is larger than the sum of its proper divisors (1).

9646237441 is an equidigital number, since it uses as much as digits as its factorization.

9646237441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 9646237441 is about 98215.2607337577. The cubic root of 9646237441 is about 2128.7238008174.

It can be divided in two parts, 96462 and 37441, that added together give a triangular number (133903 = T₅₁₇).

The spelling of 9646237441 in words is "nine billion, six hundred forty-six million, two hundred thirty-seven thousand, four hundred forty-one".