63744852445 has 8 divisors (see below), whose sum is σ = 77937102936. Its totient is φ = 50033695296.

The previous prime is 63744852323. The next prime is 63744852449. The reversal of 63744852445 is 54425844736.

It can be written as a sum of positive squares in 4 ways, for example, as 24178073049 + 39566779396 = 155493^2 + 198914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63744852445 - 2¹³ = 63744844253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63744852392 and 63744852401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63744852449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120273042 + ... + 120273571.

It is an arithmetic number, because the mean of its divisors is an integer number (9742137867).

Almost surely, 2^63744852445 is an apocalyptic number.

It is an amenable number.

63744852445 is a deficient number, since it is larger than the sum of its proper divisors (14192250491).

63744852445 is a wasteful number, since it uses less digits than its factorization.

63744852445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240546671.

The product of its digits is 12902400, while the sum is 52.

The spelling of 63744852445 in words is "sixty-three billion, seven hundred forty-four million, eight hundred fifty-two thousand, four hundred forty-five".