63272129633 has 2 divisors, whose sum is σ = 63272129634. Its totient is φ = 63272129632.

The previous prime is 63272129623. The next prime is 63272129639. The reversal of 63272129633 is 33692127236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36614057104 + 26658072529 = 191348^2 + 163273^2 .

It is a cyclic number.

It is not a de Polignac number, because 63272129633 - 2²⁴ = 63255352417 is a prime.

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 (63272129639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31636064816 + 31636064817.

It is an arithmetic number, because the mean of its divisors is an integer number (31636064817).

Almost surely, 2^63272129633 is an apocalyptic number.

It is an amenable number.

63272129633 is a deficient number, since it is larger than the sum of its proper divisors (1).

63272129633 is an equidigital number, since it uses as much as digits as its factorization.

63272129633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 44.

The spelling of 63272129633 in words is "sixty-three billion, two hundred seventy-two million, one hundred twenty-nine thousand, six hundred thirty-three".