196594345097 has 4 divisors (see below), whose sum is σ = 208158718356. Its totient is φ = 185029971840.

The previous prime is 196594345093. The next prime is 196594345147. The reversal of 196594345097 is 790543495691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790543495691 = 55843 ⋅14156537.

It can be written as a sum of positive squares in 2 ways, for example, as 70811338816 + 125783006281 = 266104^2 + 354659^2 .

It is a cyclic number.

It is not a de Polignac number, because 196594345097 - 2² = 196594345093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196594345091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5782186604 + ... + 5782186637.

It is an arithmetic number, because the mean of its divisors is an integer number (52039679589).

Almost surely, 2^196594345097 is an apocalyptic number.

196594345097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

196594345097 is a deficient number, since it is larger than the sum of its proper divisors (11564373259).

196594345097 is a wasteful number, since it uses less digits than its factorization.

196594345097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11564373258.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 196594345097 in words is "one hundred ninety-six billion, five hundred ninety-four million, three hundred forty-five thousand, ninety-seven".