338664643943 has 8 divisors (see below), whose sum is σ = 340721841216. Its totient is φ = 336613384800.

The previous prime is 338664643927. The next prime is 338664643957. The reversal of 338664643943 is 349346466833.

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 338664643943 - 2⁴ = 338664643927 is a prime.

It is a super-2 number, since 2×338664643943² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338664643243) 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, 1370096 + ... + 1598277.

It is an arithmetic number, because the mean of its divisors is an integer number (42590230152).

Almost surely, 2^338664643943 is an apocalyptic number.

338664643943 is a deficient number, since it is larger than the sum of its proper divisors (2057197273).

338664643943 is a wasteful number, since it uses less digits than its factorization.

338664643943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969065.

The product of its digits is 80621568, while the sum is 59.

The spelling of 338664643943 in words is "three hundred thirty-eight billion, six hundred sixty-four million, six hundred forty-three thousand, nine hundred forty-three".