894832768381 has 2 divisors, whose sum is σ = 894832768382. Its totient is φ = 894832768380.

The previous prime is 894832768343. The next prime is 894832768483. The reversal of 894832768381 is 183867238498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576134131225 + 318698637156 = 759035^2 + 564534^2 .

It is a cyclic number.

It is not a de Polignac number, because 894832768381 - 2¹³ = 894832760189 is a prime.

It is a super-2 number, since 2×894832768381² (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 (894832798381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447416384190 + 447416384191.

It is an arithmetic number, because the mean of its divisors is an integer number (447416384191).

Almost surely, 2^894832768381 is an apocalyptic number.

It is an amenable number.

894832768381 is a deficient number, since it is larger than the sum of its proper divisors (1).

894832768381 is an equidigital number, since it uses as much as digits as its factorization.

894832768381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111476736, while the sum is 67.

The spelling of 894832768381 in words is "eight hundred ninety-four billion, eight hundred thirty-two million, seven hundred sixty-eight thousand, three hundred eighty-one".