7773723049 has 2 divisors, whose sum is σ = 7773723050. Its totient is φ = 7773723048.

The previous prime is 7773722993. The next prime is 7773723073. The reversal of 7773723049 is 9403273777.

7773723049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7743120025 + 30603024 = 87995^2 + 5532^2 .

It is a cyclic number.

It is not a de Polignac number, because 7773723049 - 2²⁵ = 7740168617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7773722993 and 7773723011.

It is not a weakly prime, because it can be changed into another prime (7773723079) 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, 3886861524 + 3886861525.

It is an arithmetic number, because the mean of its divisors is an integer number (3886861525).

Almost surely, 2^7773723049 is an apocalyptic number.

It is an amenable number.

7773723049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7773723049 is an equidigital number, since it uses as much as digits as its factorization.

7773723049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555848, while the sum is 49.

The square root of 7773723049 is about 88168.7192205943. The cubic root of 7773723049 is about 1980.9629578629.

The spelling of 7773723049 in words is "seven billion, seven hundred seventy-three million, seven hundred twenty-three thousand, forty-nine".