7289603878897 has 2 divisors, whose sum is σ = 7289603878898. Its totient is φ = 7289603878896.

The previous prime is 7289603878841. The next prime is 7289603878979. The reversal of 7289603878897 is 7988783069827.

It is an a-pointer prime, because the next prime (7289603878979) can be obtained adding 7289603878897 to its sum of digits (82).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6572332086336 + 717271792561 = 2563656^2 + 846919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7289603878897 is a prime.

It is a super-2 number, since 2×7289603878897² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7289603878897.

It is not a weakly prime, because it can be changed into another prime (7289600878897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3644801939448 + 3644801939449.

It is an arithmetic number, because the mean of its divisors is an integer number (3644801939449).

Almost surely, 2^{7289603878897} is an apocalyptic number.

It is an amenable number.

7289603878897 is a deficient number, since it is larger than the sum of its proper divisors (1).

7289603878897 is an equidigital number, since it uses as much as digits as its factorization.

7289603878897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096770048, while the sum is 82.

The spelling of 7289603878897 in words is "seven trillion, two hundred eighty-nine billion, six hundred three million, eight hundred seventy-eight thousand, eight hundred ninety-seven".