62610645221 has 2 divisors, whose sum is σ = 62610645222. Its totient is φ = 62610645220.

The previous prime is 62610645217. The next prime is 62610645263. The reversal of 62610645221 is 12254601626.

62610645221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56180850625 + 6429794596 = 237025^2 + 80186^2 .

It is a cyclic number.

It is not a de Polignac number, because 62610645221 - 2² = 62610645217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62610645121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31305322610 + 31305322611.

It is an arithmetic number, because the mean of its divisors is an integer number (31305322611).

Almost surely, 2^62610645221 is an apocalyptic number.

It is an amenable number.

62610645221 is a deficient number, since it is larger than the sum of its proper divisors (1).

62610645221 is an equidigital number, since it uses as much as digits as its factorization.

62610645221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 62610645221 in words is "sixty-two billion, six hundred ten million, six hundred forty-five thousand, two hundred twenty-one".