63345451256 has 8 divisors (see below), whose sum is σ = 118772721120. Its totient is φ = 31672725624.

The previous prime is 63345451237. The next prime is 63345451277. The reversal of 63345451256 is 65215454336.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3959090696 + ... + 3959090711.

It is an arithmetic number, because the mean of its divisors is an integer number (14846590140).

Almost surely, 2^63345451256 is an apocalyptic number.

It is an amenable number.

63345451256 is a deficient number, since it is larger than the sum of its proper divisors (55427269864).

63345451256 is a wasteful number, since it uses less digits than its factorization.

63345451256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7918181413 (or 7918181409 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 44.

The spelling of 63345451256 in words is "sixty-three billion, three hundred forty-five million, four hundred fifty-one thousand, two hundred fifty-six".