338234862865 has 4 divisors (see below), whose sum is σ = 405881835444. Its totient is φ = 270587890288.

The previous prime is 338234862827. The next prime is 338234862871. The reversal of 338234862865 is 568268432833.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46583020561 + 291651842304 = 215831^2 + 540048^2 .

It is a cyclic number.

It is not a de Polignac number, because 338234862865 - 2⁹ = 338234862353 is a prime.

It is a super-2 number, since 2×338234862865² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33823486282 + ... + 33823486291.

It is an arithmetic number, because the mean of its divisors is an integer number (101470458861).

Almost surely, 2^338234862865 is an apocalyptic number.

It is an amenable number.

338234862865 is a deficient number, since it is larger than the sum of its proper divisors (67646972579).

338234862865 is an equidigital number, since it uses as much as digits as its factorization.

338234862865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67646972578.

The product of its digits is 39813120, while the sum is 58.

The spelling of 338234862865 in words is "three hundred thirty-eight billion, two hundred thirty-four million, eight hundred sixty-two thousand, eight hundred sixty-five".