63532773361 has 2 divisors, whose sum is σ = 63532773362. Its totient is φ = 63532773360.

The previous prime is 63532773329. The next prime is 63532773373. The reversal of 63532773361 is 16337723536.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62780313600 + 752459761 = 250560^2 + 27431^2 .

It is a cyclic number.

It is not a de Polignac number, because 63532773361 - 2⁵ = 63532773329 is a prime.

It is a super-3 number, since 3×63532773361³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (63532773761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31766386680 + 31766386681.

It is an arithmetic number, because the mean of its divisors is an integer number (31766386681).

Almost surely, 2^63532773361 is an apocalyptic number.

It is an amenable number.

63532773361 is a deficient number, since it is larger than the sum of its proper divisors (1).

63532773361 is an equidigital number, since it uses as much as digits as its factorization.

63532773361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 46.

The spelling of 63532773361 in words is "sixty-three billion, five hundred thirty-two million, seven hundred seventy-three thousand, three hundred sixty-one".