2183174938381 has 2 divisors, whose sum is σ = 2183174938382. Its totient is φ = 2183174938380.

The previous prime is 2183174938367. The next prime is 2183174938411. The reversal of 2183174938381 is 1838394713812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1929068210281 + 254106728100 = 1388909^2 + 504090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2183174938381 - 2¹⁷ = 2183174807309 is a prime.

It is a super-2 number, since 2×2183174938381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2183174978381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091587469190 + 1091587469191.

It is an arithmetic number, because the mean of its divisors is an integer number (1091587469191).

Almost surely, 2^{2183174938381} is an apocalyptic number.

It is an amenable number.

2183174938381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2183174938381 is an equidigital number, since it uses as much as digits as its factorization.

2183174938381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 58.

The spelling of 2183174938381 in words is "two trillion, one hundred eighty-three billion, one hundred seventy-four million, nine hundred thirty-eight thousand, three hundred eighty-one".