7713280901 has 2 divisors, whose sum is σ = 7713280902. Its totient is φ = 7713280900.

The previous prime is 7713280879. The next prime is 7713280909. The reversal of 7713280901 is 1090823177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6479445025 + 1233835876 = 80495^2 + 35126^2 .

It is an emirp because it is prime and its reverse (1090823177) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7713280901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7713280909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856640450 + 3856640451.

It is an arithmetic number, because the mean of its divisors is an integer number (3856640451).

Almost surely, 2^7713280901 is an apocalyptic number.

It is an amenable number.

7713280901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7713280901 is an equidigital number, since it uses as much as digits as its factorization.

7713280901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 7713280901 is about 87825.2862278285. The cubic root of 7713280901 is about 1975.8154748993.

The spelling of 7713280901 in words is "seven billion, seven hundred thirteen million, two hundred eighty thousand, nine hundred one".