7097988553 has 2 divisors, whose sum is σ = 7097988554. Its totient is φ = 7097988552.

The previous prime is 7097988539. The next prime is 7097988559. The reversal of 7097988553 is 3558897907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4711861449 + 2386127104 = 68643^2 + 48848^2 .

It is a cyclic number.

It is not a de Polignac number, because 7097988553 - 2⁹ = 7097988041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7097988491 and 7097988500.

It is not a weakly prime, because it can be changed into another prime (7097988559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3548994276 + 3548994277.

It is an arithmetic number, because the mean of its divisors is an integer number (3548994277).

Almost surely, 2^7097988553 is an apocalyptic number.

It is an amenable number.

7097988553 is a deficient number, since it is larger than the sum of its proper divisors (1).

7097988553 is an equidigital number, since it uses as much as digits as its factorization.

7097988553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19051200, while the sum is 61.

The square root of 7097988553 is about 84249.5611442576. The cubic root of 7097988553 is about 1921.8158234823.

The spelling of 7097988553 in words is "seven billion, ninety-seven million, nine hundred eighty-eight thousand, five hundred fifty-three".