7242318961 has 2 divisors, whose sum is σ = 7242318962. Its totient is φ = 7242318960.

The previous prime is 7242318953. The next prime is 7242318991. The reversal of 7242318961 is 1698132427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4470928225 + 2771390736 = 66865^2 + 52644^2 .

It is a cyclic number.

It is not a de Polignac number, because 7242318961 - 2³ = 7242318953 is a prime.

It is not a weakly prime, because it can be changed into another prime (7242318991) 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, 3621159480 + 3621159481.

It is an arithmetic number, because the mean of its divisors is an integer number (3621159481).

Almost surely, 2^7242318961 is an apocalyptic number.

It is an amenable number.

7242318961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242318961 is an equidigital number, since it uses as much as digits as its factorization.

7242318961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 7242318961 is about 85101.8152626605. The cubic root of 7242318961 is about 1934.7545763911.

The spelling of 7242318961 in words is "seven billion, two hundred forty-two million, three hundred eighteen thousand, nine hundred sixty-one".