63545544716579 has 2 divisors, whose sum is σ = 63545544716580. Its totient is φ = 63545544716578.

The previous prime is 63545544716503. The next prime is 63545544716593. The reversal of 63545544716579 is 97561744554536.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63545544716579 - 2¹² = 63545544712483 is a prime.

It is a super-2 number, since 2×63545544716579² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63545544716179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31772772358289 + 31772772358290.

It is an arithmetic number, because the mean of its divisors is an integer number (31772772358290).

Almost surely, 2^{63545544716579} is an apocalyptic number.

63545544716579 is a deficient number, since it is larger than the sum of its proper divisors (1).

63545544716579 is an equidigital number, since it uses as much as digits as its factorization.

63545544716579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120000, while the sum is 71.

The spelling of 63545544716579 in words is "sixty-three trillion, five hundred forty-five billion, five hundred forty-four million, seven hundred sixteen thousand, five hundred seventy-nine".