5446639394887 has 2 divisors, whose sum is σ = 5446639394888. Its totient is φ = 5446639394886.

The previous prime is 5446639394857. The next prime is 5446639394927. The reversal of 5446639394887 is 7884939366445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5446639394887 - 2⁷ = 5446639394759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5446639394857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2723319697443 + 2723319697444.

It is an arithmetic number, because the mean of its divisors is an integer number (2723319697444).

Almost surely, 2^{5446639394887} is an apocalyptic number.

5446639394887 is a deficient number, since it is larger than the sum of its proper divisors (1).

5446639394887 is an equidigital number, since it uses as much as digits as its factorization.

5446639394887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3762339840, while the sum is 76.

The spelling of 5446639394887 in words is "five trillion, four hundred forty-six billion, six hundred thirty-nine million, three hundred ninety-four thousand, eight hundred eighty-seven".