94823144021 has 2 divisors, whose sum is σ = 94823144022. Its totient is φ = 94823144020.

The previous prime is 94823143999. The next prime is 94823144033. The reversal of 94823144021 is 12044132849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72745641796 + 22077502225 = 269714^2 + 148585^2 .

It is a cyclic number.

It is not a de Polignac number, because 94823144021 - 2²² = 94818949717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94823143021) 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, 47411572010 + 47411572011.

It is an arithmetic number, because the mean of its divisors is an integer number (47411572011).

Almost surely, 2^94823144021 is an apocalyptic number.

It is an amenable number.

94823144021 is a deficient number, since it is larger than the sum of its proper divisors (1).

94823144021 is an equidigital number, since it uses as much as digits as its factorization.

94823144021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 94823144021 in words is "ninety-four billion, eight hundred twenty-three million, one hundred forty-four thousand, twenty-one".