7424741861 has 2 divisors, whose sum is σ = 7424741862. Its totient is φ = 7424741860.

The previous prime is 7424741719. The next prime is 7424741869. The reversal of 7424741861 is 1681474247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7177308961 + 247432900 = 84719^2 + 15730^2 .

It is a cyclic number.

It is not a de Polignac number, because 7424741861 - 2²² = 7420547557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7424741869) 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, 3712370930 + 3712370931.

It is an arithmetic number, because the mean of its divisors is an integer number (3712370931).

Almost surely, 2^7424741861 is an apocalyptic number.

It is an amenable number.

7424741861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7424741861 is an equidigital number, since it uses as much as digits as its factorization.

7424741861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 44.

The square root of 7424741861 is about 86166.9418106503. The cubic root of 7424741861 is about 1950.8645617070.

The spelling of 7424741861 in words is "seven billion, four hundred twenty-four million, seven hundred forty-one thousand, eight hundred sixty-one".