94916942821 has 2 divisors, whose sum is σ = 94916942822. Its totient is φ = 94916942820.

The previous prime is 94916942801. The next prime is 94916942873. The reversal of 94916942821 is 12824961949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79000344900 + 15916597921 = 281070^2 + 126161^2 .

It is an emirp because it is prime and its reverse (12824961949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94916942821 - 2¹¹ = 94916940773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94916942801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47458471410 + 47458471411.

It is an arithmetic number, because the mean of its divisors is an integer number (47458471411).

Almost surely, 2^94916942821 is an apocalyptic number.

It is an amenable number.

94916942821 is a deficient number, since it is larger than the sum of its proper divisors (1).

94916942821 is an equidigital number, since it uses as much as digits as its factorization.

94916942821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 55.

The spelling of 94916942821 in words is "ninety-four billion, nine hundred sixteen million, nine hundred forty-two thousand, eight hundred twenty-one".