338100365671861 has 4 divisors (see below), whose sum is σ = 364108086108172. Its totient is φ = 312092645235552.

The previous prime is 338100365671847. The next prime is 338100365671877. The reversal of 338100365671861 is 168176563001833.

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 156508732019025 + 181591633652836 = 12510345^2 + 13475594^2 .

It is a cyclic number.

It is not a de Polignac number, because 338100365671861 - 2¹¹ = 338100365669813 is a prime.

It is a super-2 number, since 2×338100365671861² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338100365671796 and 338100365671805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338100362671861) 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, 13003860218136 + ... + 13003860218161.

It is an arithmetic number, because the mean of its divisors is an integer number (91027021527043).

Almost surely, 2^{338100365671861} is an apocalyptic number.

It is an amenable number.

338100365671861 is a deficient number, since it is larger than the sum of its proper divisors (26007720436311).

338100365671861 is a wasteful number, since it uses less digits than its factorization.

338100365671861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26007720436310.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 338100365671861 in words is "three hundred thirty-eight trillion, one hundred billion, three hundred sixty-five million, six hundred seventy-one thousand, eight hundred sixty-one".