345882220673 has 4 divisors (see below), whose sum is σ = 377326058928. Its totient is φ = 314438382420.

The previous prime is 345882220627. The next prime is 345882220681. The reversal of 345882220673 is 376022288543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345882220673 - 2²⁰ = 345881172097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345882220613) 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, 15721919111 + ... + 15721919132.

It is an arithmetic number, because the mean of its divisors is an integer number (94331514732).

Almost surely, 2^345882220673 is an apocalyptic number.

It is an amenable number.

345882220673 is a deficient number, since it is larger than the sum of its proper divisors (31443838255).

345882220673 is a wasteful number, since it uses less digits than its factorization.

345882220673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31443838254.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 345882220673 in words is "three hundred forty-five billion, eight hundred eighty-two million, two hundred twenty thousand, six hundred seventy-three".