338321679709 has 16 divisors (see below), whose sum is σ = 385812488880. Its totient is φ = 293900682240.

The previous prime is 338321679691. The next prime is 338321679733. The reversal of 338321679709 is 907976123833.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9614390809 + 328707288900 = 98053^2 + 573330^2 .

It is a cyclic number.

It is not a de Polignac number, because 338321679709 - 2⁹ = 338321679197 is a prime.

It is a super-2 number, since 2×338321679709² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338321679749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2710527 + ... + 2832595.

It is an arithmetic number, because the mean of its divisors is an integer number (24113280555).

Almost surely, 2^338321679709 is an apocalyptic number.

It is an amenable number.

338321679709 is a deficient number, since it is larger than the sum of its proper divisors (47490809171).

338321679709 is a wasteful number, since it uses less digits than its factorization.

338321679709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134640.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 338321679709 in words is "three hundred thirty-eight billion, three hundred twenty-one million, six hundred seventy-nine thousand, seven hundred nine".