6340353206305 has 4 divisors (see below), whose sum is σ = 7608423847572. Its totient is φ = 5072282565040.

The previous prime is 6340353206267. The next prime is 6340353206347. The reversal of 6340353206305 is 5036023530436.

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 823599810576 + 5516753395729 = 907524^2 + 2348777^2 .

It is not a de Polignac number, because 6340353206305 - 2⁹ = 6340353205793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634035320626 + ... + 634035320635.

It is an arithmetic number, because the mean of its divisors is an integer number (1902105961893).

Almost surely, 2^{6340353206305} is an apocalyptic number.

It is an amenable number.

6340353206305 is a deficient number, since it is larger than the sum of its proper divisors (1268070641267).

6340353206305 is a wasteful number, since it uses less digits than its factorization.

6340353206305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268070641266.

The product of its (nonzero) digits is 583200, while the sum is 40.

The spelling of 6340353206305 in words is "six trillion, three hundred forty billion, three hundred fifty-three million, two hundred six thousand, three hundred five".