343636665691 has 8 divisors (see below), whose sum is σ = 375811221168. Its totient is φ = 311617920000.

The previous prime is 343636665683. The next prime is 343636665727. The reversal of 343636665691 is 196566636343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343636665691 - 2³ = 343636665683 is a prime.

It is a super-3 number, since 3×343636665691³ (a number of 36 digits) contains 333 as substring.

It is a pancake number, because a pancake can be divided into 343636665691 parts by 829019 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343636665641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38947830 + ... + 38956651.

It is an arithmetic number, because the mean of its divisors is an integer number (46976402646).

Almost surely, 2^343636665691 is an apocalyptic number.

343636665691 is a deficient number, since it is larger than the sum of its proper divisors (32174555477).

343636665691 is a wasteful number, since it uses less digits than its factorization.

343636665691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77904893.

The product of its digits is 37791360, while the sum is 58.

The spelling of 343636665691 in words is "three hundred forty-three billion, six hundred thirty-six million, six hundred sixty-five thousand, six hundred ninety-one".