662188013 has 2 divisors, whose sum is σ = 662188014. Its totient is φ = 662188012.

The previous prime is 662187959. The next prime is 662188031. The reversal of 662188013 is 310881266.

Together with next prime (662188031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356567689 + 305620324 = 18883^2 + 17482^2 .

It is a cyclic number.

It is not a de Polignac number, because 662188013 - 2¹⁰ = 662186989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662188313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331094006 + 331094007.

It is an arithmetic number, because the mean of its divisors is an integer number (331094007).

Almost surely, 2^662188013 is an apocalyptic number.

It is an amenable number.

662188013 is a deficient number, since it is larger than the sum of its proper divisors (1).

662188013 is an equidigital number, since it uses as much as digits as its factorization.

662188013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 662188013 is about 25733.0140675359. The cubic root of 662188013 is about 871.6198354943.

The spelling of 662188013 in words is "six hundred sixty-two million, one hundred eighty-eight thousand, thirteen".