656212353103 has 2 divisors, whose sum is σ = 656212353104. Its totient is φ = 656212353102.

The previous prime is 656212353031. The next prime is 656212353143. The reversal of 656212353103 is 301353212656.

Together with previous prime (656212353031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 656212353103 - 2³⁷ = 518773399631 is a prime.

It is a super-2 number, since 2×656212353103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656212353143) 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, 328106176551 + 328106176552.

It is an arithmetic number, because the mean of its divisors is an integer number (328106176552).

Almost surely, 2^656212353103 is an apocalyptic number.

656212353103 is a deficient number, since it is larger than the sum of its proper divisors (1).

656212353103 is an equidigital number, since it uses as much as digits as its factorization.

656212353103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 656212353103 its reverse (301353212656), we get a palindrome (957565565759).

The spelling of 656212353103 in words is "six hundred fifty-six billion, two hundred twelve million, three hundred fifty-three thousand, one hundred three".