97558003409 has 2 divisors, whose sum is σ = 97558003410. Its totient is φ = 97558003408.

The previous prime is 97558003369. The next prime is 97558003423. The reversal of 97558003409 is 90430085579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50337409600 + 47220593809 = 224360^2 + 217303^2 .

It is a cyclic number.

It is not a de Polignac number, because 97558003409 - 2¹² = 97557999313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97558003469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48779001704 + 48779001705.

It is an arithmetic number, because the mean of its divisors is an integer number (48779001705).

Almost surely, 2^97558003409 is an apocalyptic number.

It is an amenable number.

97558003409 is a deficient number, since it is larger than the sum of its proper divisors (1).

97558003409 is an equidigital number, since it uses as much as digits as its factorization.

97558003409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 97558003409 in words is "ninety-seven billion, five hundred fifty-eight million, three thousand, four hundred nine".