62630081221 has 2 divisors, whose sum is σ = 62630081222. Its totient is φ = 62630081220.

The previous prime is 62630081071. The next prime is 62630081279. The reversal of 62630081221 is 12218003626.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58772304900 + 3857776321 = 242430^2 + 62111^2 .

It is a cyclic number.

It is not a de Polignac number, because 62630081221 - 2¹³ = 62630073029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62630081321) 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 as a sum of consecutive naturals, namely, 31315040610 + 31315040611.

It is an arithmetic number, because the mean of its divisors is an integer number (31315040611).

Almost surely, 2^62630081221 is an apocalyptic number.

It is an amenable number.

62630081221 is a deficient number, since it is larger than the sum of its proper divisors (1).

62630081221 is an equidigital number, since it uses as much as digits as its factorization.

62630081221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 62630081221 its reverse (12218003626), we get a palindrome (74848084847).

The spelling of 62630081221 in words is "sixty-two billion, six hundred thirty million, eighty-one thousand, two hundred twenty-one".