63251221330 has 16 divisors (see below), whose sum is σ = 124202398464. Its totient is φ = 23000444080.

The previous prime is 63251221301. The next prime is 63251221379. The reversal of 63251221330 is 3312215236.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287505442 + ... + 287505661.

It is an arithmetic number, because the mean of its divisors is an integer number (7762649904).

Almost surely, 2^63251221330 is an apocalyptic number.

63251221330 is a deficient number, since it is larger than the sum of its proper divisors (60951177134).

63251221330 is a wasteful number, since it uses less digits than its factorization.

63251221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575011121.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 63251221330 its reverse (3312215236), we get a palindrome (66563436566).

The spelling of 63251221330 in words is "sixty-three billion, two hundred fifty-one million, two hundred twenty-one thousand, three hundred thirty".