612378282653 has 2 divisors, whose sum is σ = 612378282654. Its totient is φ = 612378282652.

The previous prime is 612378282641. The next prime is 612378282697. The reversal of 612378282653 is 356282873216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 586445045209 + 25933237444 = 765797^2 + 161038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612378282653 is a prime.

It is a super-2 number, since 2×612378282653² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 612378282595 and 612378282604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612378282853) 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, 306189141326 + 306189141327.

It is an arithmetic number, because the mean of its divisors is an integer number (306189141327).

Almost surely, 2^612378282653 is an apocalyptic number.

It is an amenable number.

612378282653 is a deficient number, since it is larger than the sum of its proper divisors (1).

612378282653 is an equidigital number, since it uses as much as digits as its factorization.

612378282653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 53.

The spelling of 612378282653 in words is "six hundred twelve billion, three hundred seventy-eight million, two hundred eighty-two thousand, six hundred fifty-three".