63087652321 has 4 divisors (see below), whose sum is σ = 63712282644. Its totient is φ = 62463022000.

The previous prime is 63087652241. The next prime is 63087652333. The reversal of 63087652321 is 12325678036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27585555921 + 35502096400 = 166089^2 + 188420^2 .

It is a cyclic number.

It is not a de Polignac number, because 63087652321 - 2¹³ = 63087644129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63087655321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312315010 + ... + 312315211.

It is an arithmetic number, because the mean of its divisors is an integer number (15928070661).

Almost surely, 2^63087652321 is an apocalyptic number.

It is an amenable number.

63087652321 is a deficient number, since it is larger than the sum of its proper divisors (624630323).

63087652321 is a wasteful number, since it uses less digits than its factorization.

63087652321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624630322.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 63087652321 in words is "sixty-three billion, eighty-seven million, six hundred fifty-two thousand, three hundred twenty-one".