63259148487844 has 81 divisors (see below), whose sum is σ = 113884618083201. Its totient is φ = 30745925552160.

The previous prime is 63259148487841. The next prime is 63259148487859. The reversal of 63259148487844 is 44878484195236.

The square root of 63259148487844 is 7953562.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8441709433444 + 54817439054400 = 2905462^2 + 7403880^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63259148487841) 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 in 26 ways as a sum of consecutive naturals, for example, 89223058162 + ... + 89223058870.

Almost surely, 2^{63259148487844} is an apocalyptic number.

63259148487844 is the 7953562-nd square number.

It is an amenable number.

63259148487844 is a deficient number, since it is larger than the sum of its proper divisors (50625469595357).

63259148487844 is an frugal number, since it uses more digits than its factorization.

63259148487844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 861 counting only the distinct ones).

The product of its digits is 1486356480, while the sum is 73.

The spelling of 63259148487844 in words is "sixty-three trillion, two hundred fifty-nine billion, one hundred forty-eight million, four hundred eighty-seven thousand, eight hundred forty-four".