346446080644643 has 4 divisors (see below), whose sum is σ = 395938377879600. Its totient is φ = 296953783409688.

The previous prime is 346446080644621. The next prime is 346446080644663.

346446080644643 is nontrivially palindromic in base 10.

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 346446080644643 - 2²⁴ = 346446063867427 is a prime.

It is a super-2 number, since 2×346446080644643² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346446080644663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24746148617468 + ... + 24746148617481.

It is an arithmetic number, because the mean of its divisors is an integer number (98984594469900).

Almost surely, 2^{346446080644643} is an apocalyptic number.

346446080644643 is a deficient number, since it is larger than the sum of its proper divisors (49492297234957).

346446080644643 is an equidigital number, since it uses as much as digits as its factorization.

346446080644643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49492297234956.

The product of its (nonzero) digits is 382205952, while the sum is 62.

The spelling of 346446080644643 in words is "three hundred forty-six trillion, four hundred forty-six billion, eighty million, six hundred forty-four thousand, six hundred forty-three".