7728260047141 has 2 divisors, whose sum is σ = 7728260047142. Its totient is φ = 7728260047140.

The previous prime is 7728260047133. The next prime is 7728260047229. The reversal of 7728260047141 is 1417400628277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7726092772225 + 2167274916 = 2779585^2 + 46554^2 .

It is an emirp because it is prime and its reverse (1417400628277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7728260047141 - 2³ = 7728260047133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7728260047121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3864130023570 + 3864130023571.

It is an arithmetic number, because the mean of its divisors is an integer number (3864130023571).

Almost surely, 2^{7728260047141} is an apocalyptic number.

It is an amenable number.

7728260047141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7728260047141 is an equidigital number, since it uses as much as digits as its factorization.

7728260047141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 7728260047141 in words is "seven trillion, seven hundred twenty-eight billion, two hundred sixty million, forty-seven thousand, one hundred forty-one".