7368713557 has 2 divisors, whose sum is σ = 7368713558. Its totient is φ = 7368713556.

The previous prime is 7368713507. The next prime is 7368713591. The reversal of 7368713557 is 7553178637.

7368713557 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., 5201438641 + 2167274916 = 72121^2 + 46554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7368713557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7368713507) 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, 3684356778 + 3684356779.

It is an arithmetic number, because the mean of its divisors is an integer number (3684356779).

Almost surely, 2^7368713557 is an apocalyptic number.

It is an amenable number.

7368713557 is a deficient number, since it is larger than the sum of its proper divisors (1).

7368713557 is an equidigital number, since it uses as much as digits as its factorization.

7368713557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3704400, while the sum is 52.

The square root of 7368713557 is about 85841.2112973716. The cubic root of 7368713557 is about 1945.9449863100.

The spelling of 7368713557 in words is "seven billion, three hundred sixty-eight million, seven hundred thirteen thousand, five hundred fifty-seven".