97595986409 has 4 divisors (see below), whose sum is σ = 103336926804. Its totient is φ = 91855046016.

The previous prime is 97595986391. The next prime is 97595986451. The reversal of 97595986409 is 90468959579.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82327677184 + 15268309225 = 286928^2 + 123565^2 .

It is a cyclic number.

It is not a de Polignac number, because 97595986409 - 2³² = 93301019113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97595983409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2870470172 + ... + 2870470205.

It is an arithmetic number, because the mean of its divisors is an integer number (25834231701).

Almost surely, 2^97595986409 is an apocalyptic number.

It is an amenable number.

97595986409 is a deficient number, since it is larger than the sum of its proper divisors (5740940395).

97595986409 is a wasteful number, since it uses less digits than its factorization.

97595986409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740940394.

The product of its (nonzero) digits is 220449600, while the sum is 71.

The spelling of 97595986409 in words is "ninety-seven billion, five hundred ninety-five million, nine hundred eighty-six thousand, four hundred nine".