345020378641 has 8 divisors (see below), whose sum is σ = 350699123264. Its totient is φ = 339342365520.

The previous prime is 345020378629. The next prime is 345020378657. The reversal of 345020378641 is 146873020543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345020378641 - 2¹⁷ = 345020247569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345020388641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812410 + ... + 1161916.

It is an arithmetic number, because the mean of its divisors is an integer number (43837390408).

Almost surely, 2^345020378641 is an apocalyptic number.

It is an amenable number.

345020378641 is a deficient number, since it is larger than the sum of its proper divisors (5678744623).

345020378641 is a wasteful number, since it uses less digits than its factorization.

345020378641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365751.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 345020378641 in words is "three hundred forty-five billion, twenty million, three hundred seventy-eight thousand, six hundred forty-one".