894654378433 has 2 divisors, whose sum is σ = 894654378434. Its totient is φ = 894654378432.

The previous prime is 894654378413. The next prime is 894654378461. The reversal of 894654378433 is 334873456498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 803518617664 + 91135760769 = 896392^2 + 301887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-894654378433 is a prime.

It is not a weakly prime, because it can be changed into another prime (894654378413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447327189216 + 447327189217.

It is an arithmetic number, because the mean of its divisors is an integer number (447327189217).

Almost surely, 2^894654378433 is an apocalyptic number.

It is an amenable number.

894654378433 is a deficient number, since it is larger than the sum of its proper divisors (1).

894654378433 is an equidigital number, since it uses as much as digits as its factorization.

894654378433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 64.

The spelling of 894654378433 in words is "eight hundred ninety-four billion, six hundred fifty-four million, three hundred seventy-eight thousand, four hundred thirty-three".