613673556953 has 2 divisors, whose sum is σ = 613673556954. Its totient is φ = 613673556952.

The previous prime is 613673556949. The next prime is 613673557039. The reversal of 613673556953 is 359655376316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609386319424 + 4287237529 = 780632^2 + 65477^2 .

It is a cyclic number.

It is not a de Polignac number, because 613673556953 - 2² = 613673556949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613673556892 and 613673556901.

It is not a weakly prime, because it can be changed into another prime (613673556253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306836778476 + 306836778477.

It is an arithmetic number, because the mean of its divisors is an integer number (306836778477).

Almost surely, 2^613673556953 is an apocalyptic number.

It is an amenable number.

613673556953 is a deficient number, since it is larger than the sum of its proper divisors (1).

613673556953 is an equidigital number, since it uses as much as digits as its factorization.

613673556953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45927000, while the sum is 59.

The spelling of 613673556953 in words is "six hundred thirteen billion, six hundred seventy-three million, five hundred fifty-six thousand, nine hundred fifty-three".