63545544716593 has 2 divisors, whose sum is σ = 63545544716594. Its totient is φ = 63545544716592.

The previous prime is 63545544716579. The next prime is 63545544716603. The reversal of 63545544716593 is 39561744554536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46138558896369 + 17406985820224 = 6792537^2 + 4172168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63545544716593 is a prime.

It is a super-3 number, since 3×63545544716593³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (63545544716503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31772772358296 + 31772772358297.

It is an arithmetic number, because the mean of its divisors is an integer number (31772772358297).

Almost surely, 2^{63545544716593} is an apocalyptic number.

It is an amenable number.

63545544716593 is a deficient number, since it is larger than the sum of its proper divisors (1).

63545544716593 is an equidigital number, since it uses as much as digits as its factorization.

63545544716593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480000, while the sum is 67.

The spelling of 63545544716593 in words is "sixty-three trillion, five hundred forty-five billion, five hundred forty-four million, seven hundred sixteen thousand, five hundred ninety-three".