9636407461 has 2 divisors, whose sum is σ = 9636407462. Its totient is φ = 9636407460.

The previous prime is 9636407453. The next prime is 9636407503. The reversal of 9636407461 is 1647046369.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8985902436 + 650505025 = 94794^2 + 25505^2 .

It is a cyclic number.

It is not a de Polignac number, because 9636407461 - 2³ = 9636407453 is a prime.

It is a super-3 number, since 3×9636407461³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9636405461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4818203730 + 4818203731.

It is an arithmetic number, because the mean of its divisors is an integer number (4818203731).

Almost surely, 2^9636407461 is an apocalyptic number.

It is an amenable number.

9636407461 is a deficient number, since it is larger than the sum of its proper divisors (1).

9636407461 is an equidigital number, since it uses as much as digits as its factorization.

9636407461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 9636407461 is about 98165.2049404472. The cubic root of 9636407461 is about 2128.0004644040. Note that the first 3 decimals are identical.

The spelling of 9636407461 in words is "nine billion, six hundred thirty-six million, four hundred seven thousand, four hundred sixty-one".