662268426629 has 2 divisors, whose sum is σ = 662268426630. Its totient is φ = 662268426628.

The previous prime is 662268426577. The next prime is 662268426643. The reversal of 662268426629 is 926624862266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346800854404 + 315467572225 = 588898^2 + 561665^2 .

It is a cyclic number.

It is not a de Polignac number, because 662268426629 - 2²⁸ = 661999991173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662268446629) 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, 331134213314 + 331134213315.

It is an arithmetic number, because the mean of its divisors is an integer number (331134213315).

Almost surely, 2^662268426629 is an apocalyptic number.

It is an amenable number.

662268426629 is a deficient number, since it is larger than the sum of its proper divisors (1).

662268426629 is an equidigital number, since it uses as much as digits as its factorization.

662268426629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 59.

The spelling of 662268426629 in words is "six hundred sixty-two billion, two hundred sixty-eight million, four hundred twenty-six thousand, six hundred twenty-nine".