340654431413 has 4 divisors (see below), whose sum is σ = 340669427328. Its totient is φ = 340639435500.

The previous prime is 340654431379. The next prime is 340654431421. The reversal of 340654431413 is 314134456043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340654431413 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 (340654431113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7463831 + ... + 7509332.

It is an arithmetic number, because the mean of its divisors is an integer number (85167356832).

Almost surely, 2^340654431413 is an apocalyptic number.

It is an amenable number.

340654431413 is a deficient number, since it is larger than the sum of its proper divisors (14995915).

340654431413 is a wasteful number, since it uses less digits than its factorization.

340654431413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14995914.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 340654431413 its reverse (314134456043), we get a palindrome (654788887456).

The spelling of 340654431413 in words is "three hundred forty billion, six hundred fifty-four million, four hundred thirty-one thousand, four hundred thirteen".