7720049093 has 2 divisors, whose sum is σ = 7720049094. Its totient is φ = 7720049092.

The previous prime is 7720049089. The next prime is 7720049119. The reversal of 7720049093 is 3909400277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4802212804 + 2917836289 = 69298^2 + 54017^2 .

It is an emirp because it is prime and its reverse (3909400277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7720049093 - 2² = 7720049089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7720049093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7720049003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3860024546 + 3860024547.

It is an arithmetic number, because the mean of its divisors is an integer number (3860024547).

Almost surely, 2^7720049093 is an apocalyptic number.

It is an amenable number.

7720049093 is a deficient number, since it is larger than the sum of its proper divisors (1).

7720049093 is an equidigital number, since it uses as much as digits as its factorization.

7720049093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 7720049093 is about 87863.8099162562. The cubic root of 7720049093 is about 1976.3932138742.

The spelling of 7720049093 in words is "seven billion, seven hundred twenty million, forty-nine thousand, ninety-three".