7721441059 has 2 divisors, whose sum is σ = 7721441060. Its totient is φ = 7721441058.

The previous prime is 7721441017. The next prime is 7721441069. The reversal of 7721441059 is 9501441277.

It is a strong prime.

It is an emirp because it is prime and its reverse (9501441277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7721441059 - 2²⁷ = 7587223331 is a prime.

It is a super-2 number, since 2×7721441059² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7721441009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3860720529 + 3860720530.

It is an arithmetic number, because the mean of its divisors is an integer number (3860720530).

Almost surely, 2^7721441059 is an apocalyptic number.

7721441059 is a deficient number, since it is larger than the sum of its proper divisors (1).

7721441059 is an equidigital number, since it uses as much as digits as its factorization.

7721441059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 7721441059 is about 87871.7307158565. The cubic root of 7721441059 is about 1976.5119914794.

The spelling of 7721441059 in words is "seven billion, seven hundred twenty-one million, four hundred forty-one thousand, fifty-nine".