632144254481 has 2 divisors, whose sum is σ = 632144254482. Its totient is φ = 632144254480.

The previous prime is 632144254459. The next prime is 632144254519. The reversal of 632144254481 is 184452441236.

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., 484150164481 + 147994090000 = 695809^2 + 384700^2 .

It is a cyclic number.

It is not a de Polignac number, because 632144254481 - 2³⁴ = 614964385297 is a prime.

It is a super-2 number, since 2×632144254481² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (632144254451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316072127240 + 316072127241.

It is an arithmetic number, because the mean of its divisors is an integer number (316072127241).

Almost surely, 2^632144254481 is an apocalyptic number.

It is an amenable number.

632144254481 is a deficient number, since it is larger than the sum of its proper divisors (1).

632144254481 is an equidigital number, since it uses as much as digits as its factorization.

632144254481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 737280, while the sum is 44.

The spelling of 632144254481 in words is "six hundred thirty-two billion, one hundred forty-four million, two hundred fifty-four thousand, four hundred eighty-one".