346638864835 has 4 divisors (see below), whose sum is σ = 415966637808. Its totient is φ = 277311091864.

The previous prime is 346638864833. The next prime is 346638864841. The reversal of 346638864835 is 538468836643.

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

It is a cyclic number.

It is not a de Polignac number, because 346638864835 - 2¹ = 346638864833 is a prime.

It is a super-2 number, since 2×346638864835² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346638864833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34663886479 + ... + 34663886488.

It is an arithmetic number, because the mean of its divisors is an integer number (103991659452).

Almost surely, 2^346638864835 is an apocalyptic number.

346638864835 is a deficient number, since it is larger than the sum of its proper divisors (69327772973).

346638864835 is an equidigital number, since it uses as much as digits as its factorization.

346638864835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69327772972.

The product of its digits is 238878720, while the sum is 64.

The spelling of 346638864835 in words is "three hundred forty-six billion, six hundred thirty-eight million, eight hundred sixty-four thousand, eight hundred thirty-five".