94644844649 has 2 divisors, whose sum is σ = 94644844650. Its totient is φ = 94644844648.

The previous prime is 94644844627. The next prime is 94644844663.

94644844649 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70805484649 + 23839360000 = 266093^2 + 154400^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 94644844649 - 2²⁰ = 94643796073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 94644844591 and 94644844600.

It is not a weakly prime, because it can be changed into another prime (94644843649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47322422324 + 47322422325.

It is an arithmetic number, because the mean of its divisors is an integer number (47322422325).

Almost surely, 2^94644844649 is an apocalyptic number.

It is an amenable number.

94644844649 is a deficient number, since it is larger than the sum of its proper divisors (1).

94644844649 is an equidigital number, since it uses as much as digits as its factorization.

94644844649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95551488, while the sum is 62.

The spelling of 94644844649 in words is "ninety-four billion, six hundred forty-four million, eight hundred forty-four thousand, six hundred forty-nine".