347688461563 has 4 divisors (see below), whose sum is σ = 348971445088. Its totient is φ = 346405478040.

The previous prime is 347688461551. The next prime is 347688461579. The reversal of 347688461563 is 365164886743.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347688461563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347688401563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641491356 + ... + 641491897.

It is an arithmetic number, because the mean of its divisors is an integer number (87242861272).

Almost surely, 2^347688461563 is an apocalyptic number.

347688461563 is a deficient number, since it is larger than the sum of its proper divisors (1282983525).

347688461563 is a wasteful number, since it uses less digits than its factorization.

347688461563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282983524.

The product of its digits is 69672960, while the sum is 61.

The spelling of 347688461563 in words is "three hundred forty-seven billion, six hundred eighty-eight million, four hundred sixty-one thousand, five hundred sixty-three".