648079137103 has 2 divisors, whose sum is σ = 648079137104. Its totient is φ = 648079137102.

The previous prime is 648079137031. The next prime is 648079137107. The reversal of 648079137103 is 301731970846.

Together with previous prime (648079137031) 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 648079137103 - 2¹⁷ = 648079006031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648079137107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324039568551 + 324039568552.

It is an arithmetic number, because the mean of its divisors is an integer number (324039568552).

Almost surely, 2^648079137103 is an apocalyptic number.

648079137103 is a deficient number, since it is larger than the sum of its proper divisors (1).

648079137103 is an equidigital number, since it uses as much as digits as its factorization.

648079137103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 648079137103 in words is "six hundred forty-eight billion, seventy-nine million, one hundred thirty-seven thousand, one hundred three".