9641509601 has 2 divisors, whose sum is σ = 9641509602. Its totient is φ = 9641509600.

The previous prime is 9641509589. The next prime is 9641509613. The reversal of 9641509601 is 1069051469.

It is a balanced prime because it is at equal distance from previous prime (9641509589) and next prime (9641509613).

It can be written as a sum of positive squares in only one way, i.e., 7242861025 + 2398648576 = 85105^2 + 48976^2 .

It is an emirp because it is prime and its reverse (1069051469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9641509601 - 2¹⁴ = 9641493217 is a prime.

It is not a weakly prime, because it can be changed into another prime (9641509001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4820754800 + 4820754801.

It is an arithmetic number, because the mean of its divisors is an integer number (4820754801).

Almost surely, 2^9641509601 is an apocalyptic number.

It is an amenable number.

9641509601 is a deficient number, since it is larger than the sum of its proper divisors (1).

9641509601 is an equidigital number, since it uses as much as digits as its factorization.

9641509601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 9641509601 is about 98191.1890191783. The cubic root of 9641509601 is about 2128.3759653605.

The spelling of 9641509601 in words is "nine billion, six hundred forty-one million, five hundred nine thousand, six hundred one".