196037040709 has 4 divisors (see below), whose sum is σ = 196168346316. Its totient is φ = 195905735104.

The previous prime is 196037040691. The next prime is 196037040733. The reversal of 196037040709 is 907040730691.

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 137286552484 + 58750488225 = 370522^2 + 242385^2 .

It is a cyclic number.

It is not a de Polignac number, because 196037040709 - 2¹⁵ = 196037007941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196037040769) 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, 65650564 + ... + 65653549.

It is an arithmetic number, because the mean of its divisors is an integer number (49042086579).

Almost surely, 2^196037040709 is an apocalyptic number.

It is an amenable number.

196037040709 is a deficient number, since it is larger than the sum of its proper divisors (131305607).

196037040709 is a wasteful number, since it uses less digits than its factorization.

196037040709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131305606.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 196037040709 in words is "one hundred ninety-six billion, thirty-seven million, forty thousand, seven hundred nine".