6340450287705 has 32 divisors (see below), whose sum is σ = 10225324376064. Its totient is φ = 3354709288896.

The previous prime is 6340450287641. The next prime is 6340450287709. The reversal of 6340450287705 is 5077820540436.

It is a happy number.

6340450287705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6340450287705 - 2⁶ = 6340450287641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6340450287709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28622782 + ... + 28843448.

It is an arithmetic number, because the mean of its divisors is an integer number (319541386752).

Almost surely, 2^{6340450287705} is an apocalyptic number.

It is an amenable number.

6340450287705 is a deficient number, since it is larger than the sum of its proper divisors (3884874088359).

6340450287705 is a wasteful number, since it uses less digits than its factorization.

6340450287705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235885.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 6340450287705 in words is "six trillion, three hundred forty billion, four hundred fifty million, two hundred eighty-seven thousand, seven hundred five".