259188451097 has 2 divisors, whose sum is σ = 259188451098. Its totient is φ = 259188451096.

The previous prime is 259188451057. The next prime is 259188451121. The reversal of 259188451097 is 790154881952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156955422976 + 102233028121 = 396176^2 + 319739^2 .

It is a cyclic number.

It is not a de Polignac number, because 259188451097 - 2⁸ = 259188450841 is a prime.

It is not a weakly prime, because it can be changed into another prime (259188451057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129594225548 + 129594225549.

It is an arithmetic number, because the mean of its divisors is an integer number (129594225549).

Almost surely, 2^259188451097 is an apocalyptic number.

It is an amenable number.

259188451097 is a deficient number, since it is larger than the sum of its proper divisors (1).

259188451097 is an equidigital number, since it uses as much as digits as its factorization.

259188451097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 59.

The spelling of 259188451097 in words is "two hundred fifty-nine billion, one hundred eighty-eight million, four hundred fifty-one thousand, ninety-seven".