7361618729 has 2 divisors, whose sum is σ = 7361618730. Its totient is φ = 7361618728.

The previous prime is 7361618699. The next prime is 7361618773. The reversal of 7361618729 is 9278161637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4683349225 + 2678269504 = 68435^2 + 51752^2 .

It is a cyclic number.

It is not a de Polignac number, because 7361618729 - 2¹⁶ = 7361553193 is a prime.

It is a super-2 number, since 2×7361618729² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7361618779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3680809364 + 3680809365.

It is an arithmetic number, because the mean of its divisors is an integer number (3680809365).

Almost surely, 2^7361618729 is an apocalyptic number.

It is an amenable number.

7361618729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7361618729 is an equidigital number, since it uses as much as digits as its factorization.

7361618729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 7361618729 is about 85799.8760430340. The cubic root of 7361618729 is about 1945.3202468519.

The spelling of 7361618729 in words is "seven billion, three hundred sixty-one million, six hundred eighteen thousand, seven hundred twenty-nine".