94819981427 has 2 divisors, whose sum is σ = 94819981428. Its totient is φ = 94819981426.

The previous prime is 94819981349. The next prime is 94819981453. The reversal of 94819981427 is 72418991849.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94819981427 - 2¹⁸ = 94819719283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94819981427.

It is not a weakly prime, because it can be changed into another prime (94819981027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47409990713 + 47409990714.

It is an arithmetic number, because the mean of its divisors is an integer number (47409990714).

Almost surely, 2^94819981427 is an apocalyptic number.

94819981427 is a deficient number, since it is larger than the sum of its proper divisors (1).

94819981427 is an equidigital number, since it uses as much as digits as its factorization.

94819981427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 62.

The spelling of 94819981427 in words is "ninety-four billion, eight hundred nineteen million, nine hundred eighty-one thousand, four hundred twenty-seven".