3838237081447 has 2 divisors, whose sum is σ = 3838237081448. Its totient is φ = 3838237081446.

The previous prime is 3838237081421. The next prime is 3838237081453. The reversal of 3838237081447 is 7441807328383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3838237081447 - 2¹¹ = 3838237079399 is a prime.

It is a super-2 number, since 2×3838237081447² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3838237081391 and 3838237081400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3838237081417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919118540723 + 1919118540724.

It is an arithmetic number, because the mean of its divisors is an integer number (1919118540724).

Almost surely, 2^{3838237081447} is an apocalyptic number.

3838237081447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3838237081447 is an equidigital number, since it uses as much as digits as its factorization.

3838237081447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21676032, while the sum is 58.

The spelling of 3838237081447 in words is "three trillion, eight hundred thirty-eight billion, two hundred thirty-seven million, eighty-one thousand, four hundred forty-seven".