63321360356 has 6 divisors (see below), whose sum is σ = 110812380630. Its totient is φ = 31660680176.

The previous prime is 63321360341. The next prime is 63321360359. The reversal of 63321360356 is 65306312336.

It can be written as a sum of positive squares in only one way, i.e., 63161742400 + 159617956 = 251320^2 + 12634^2 .

It is not an unprimeable number, because it can be changed into a prime (63321360359) 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 as a sum of consecutive naturals, namely, 7915170041 + ... + 7915170048.

It is an arithmetic number, because the mean of its divisors is an integer number (18468730105).

Almost surely, 2^63321360356 is an apocalyptic number.

It is an amenable number.

63321360356 is a deficient number, since it is larger than the sum of its proper divisors (47491020274).

63321360356 is a wasteful number, since it uses less digits than its factorization.

63321360356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15830340093 (or 15830340091 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 38.

The spelling of 63321360356 in words is "sixty-three billion, three hundred twenty-one million, three hundred sixty thousand, three hundred fifty-six".