613311553069 has 2 divisors, whose sum is σ = 613311553070. Its totient is φ = 613311553068.

The previous prime is 613311552983. The next prime is 613311553091. The reversal of 613311553069 is 960355113316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424641206025 + 188670347044 = 651645^2 + 434362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613311553069 is a prime.

It is a super-2 number, since 2×613311553069² (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 (613311553369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306655776534 + 306655776535.

It is an arithmetic number, because the mean of its divisors is an integer number (306655776535).

Almost surely, 2^613311553069 is an apocalyptic number.

It is an amenable number.

613311553069 is a deficient number, since it is larger than the sum of its proper divisors (1).

613311553069 is an equidigital number, since it uses as much as digits as its factorization.

613311553069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 43.

The spelling of 613311553069 in words is "six hundred thirteen billion, three hundred eleven million, five hundred fifty-three thousand, sixty-nine".