340613677465 has 4 divisors (see below), whose sum is σ = 408736412964. Its totient is φ = 272490941968.

The previous prime is 340613677379. The next prime is 340613677471. The reversal of 340613677465 is 564776316043.

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 165113008281 + 175500669184 = 406341^2 + 418928^2 .

It is a cyclic number.

It is not a de Polignac number, because 340613677465 - 2¹¹ = 340613675417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34061367742 + ... + 34061367751.

It is an arithmetic number, because the mean of its divisors is an integer number (102184103241).

Almost surely, 2^340613677465 is an apocalyptic number.

It is an amenable number.

340613677465 is a deficient number, since it is larger than the sum of its proper divisors (68122735499).

340613677465 is an equidigital number, since it uses as much as digits as its factorization.

340613677465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68122735498.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 340613677465 in words is "three hundred forty billion, six hundred thirteen million, six hundred seventy-seven thousand, four hundred sixty-five".