381730419823 has 2 divisors, whose sum is σ = 381730419824. Its totient is φ = 381730419822.

The previous prime is 381730419817. The next prime is 381730419881. The reversal of 381730419823 is 328914037183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381730419823 - 2¹³ = 381730411631 is a prime.

It is a super-2 number, since 2×381730419823² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381730419893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190865209911 + 190865209912.

It is an arithmetic number, because the mean of its divisors is an integer number (190865209912).

Almost surely, 2^381730419823 is an apocalyptic number.

381730419823 is a deficient number, since it is larger than the sum of its proper divisors (1).

381730419823 is an equidigital number, since it uses as much as digits as its factorization.

381730419823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 381730419823 in words is "three hundred eighty-one billion, seven hundred thirty million, four hundred nineteen thousand, eight hundred twenty-three".