94384703921 has 2 divisors, whose sum is σ = 94384703922. Its totient is φ = 94384703920.

The previous prime is 94384703893. The next prime is 94384703999. The reversal of 94384703921 is 12930748349.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83890750321 + 10493953600 = 289639^2 + 102440^2 .

It is a cyclic number.

It is not a de Polignac number, because 94384703921 - 2¹⁸ = 94384441777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94384703921.

It is not a weakly prime, because it can be changed into another prime (94384703321) 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, 47192351960 + 47192351961.

It is an arithmetic number, because the mean of its divisors is an integer number (47192351961).

Almost surely, 2^94384703921 is an apocalyptic number.

It is an amenable number.

94384703921 is a deficient number, since it is larger than the sum of its proper divisors (1).

94384703921 is an equidigital number, since it uses as much as digits as its factorization.

94384703921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 94384703921 in words is "ninety-four billion, three hundred eighty-four million, seven hundred three thousand, nine hundred twenty-one".