340679665783 has 4 divisors (see below), whose sum is σ = 340680901000. Its totient is φ = 340678430568.

The previous prime is 340679665741. The next prime is 340679665811. The reversal of 340679665783 is 387566976043.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 340679665783 - 2³³ = 332089731191 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 (340679662783) 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, 5968 + ... + 825466.

It is an arithmetic number, because the mean of its divisors is an integer number (85170225250).

Almost surely, 2^340679665783 is an apocalyptic number.

340679665783 is a deficient number, since it is larger than the sum of its proper divisors (1235217).

340679665783 is an equidigital number, since it uses as much as digits as its factorization.

340679665783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235216.

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 340679665783 in words is "three hundred forty billion, six hundred seventy-nine million, six hundred sixty-five thousand, seven hundred eighty-three".