338262249197 has 4 divisors (see below), whose sum is σ = 338265343260. Its totient is φ = 338259155136.

The previous prime is 338262249173. The next prime is 338262249211. The reversal of 338262249197 is 791942262833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791942262833 = 49331 ⋅16053643.

It can be written as a sum of positive squares in 2 ways, for example, as 25525174756 + 312737074441 = 159766^2 + 559229^2 .

It is a cyclic number.

It is not a de Polignac number, because 338262249197 - 2¹⁶ = 338262183661 is a prime.

It is a super-2 number, since 2×338262249197² (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 (338262248197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376798 + ... + 1603775.

It is an arithmetic number, because the mean of its divisors is an integer number (84566335815).

Almost surely, 2^338262249197 is an apocalyptic number.

It is an amenable number.

338262249197 is a deficient number, since it is larger than the sum of its proper divisors (3094063).

338262249197 is a wasteful number, since it uses less digits than its factorization.

338262249197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094062.

The product of its digits is 7838208, while the sum is 56.

The spelling of 338262249197 in words is "three hundred thirty-eight billion, two hundred sixty-two million, two hundred forty-nine thousand, one hundred ninety-seven".