344862145871 has 4 divisors (see below), whose sum is σ = 344895415200. Its totient is φ = 344828876544.

The previous prime is 344862145847. The next prime is 344862145897. The reversal of 344862145871 is 178541268443.

It is a happy number.

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 344862145871 - 2²² = 344857951567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344862145471) 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, 16619111 + ... + 16639848.

It is an arithmetic number, because the mean of its divisors is an integer number (86223853800).

Almost surely, 2^344862145871 is an apocalyptic number.

344862145871 is a deficient number, since it is larger than the sum of its proper divisors (33269329).

344862145871 is a wasteful number, since it uses less digits than its factorization.

344862145871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33269328.

The product of its digits is 5160960, while the sum is 53.

The spelling of 344862145871 in words is "three hundred forty-four billion, eight hundred sixty-two million, one hundred forty-five thousand, eight hundred seventy-one".