63545346899 has 2 divisors, whose sum is σ = 63545346900. Its totient is φ = 63545346898.

The previous prime is 63545346857. The next prime is 63545346919. The reversal of 63545346899 is 99864354536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63545346899 - 2⁸ = 63545346643 is a prime.

It is a super-2 number, since 2×63545346899² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63545349899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31772673449 + 31772673450.

It is an arithmetic number, because the mean of its divisors is an integer number (31772673450).

Almost surely, 2^63545346899 is an apocalyptic number.

63545346899 is a deficient number, since it is larger than the sum of its proper divisors (1).

63545346899 is an equidigital number, since it uses as much as digits as its factorization.

63545346899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83980800, while the sum is 62.

The spelling of 63545346899 in words is "sixty-three billion, five hundred forty-five million, three hundred forty-six thousand, eight hundred ninety-nine".