94975457989 has 2 divisors, whose sum is σ = 94975457990. Its totient is φ = 94975457988.

The previous prime is 94975457971. The next prime is 94975458013. The reversal of 94975457989 is 98975457949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86528928964 + 8446529025 = 294158^2 + 91905^2 .

It is a cyclic number.

It is not a de Polignac number, because 94975457989 - 2⁷ = 94975457861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94975457089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47487728994 + 47487728995.

It is an arithmetic number, because the mean of its divisors is an integer number (47487728995).

Almost surely, 2^94975457989 is an apocalyptic number.

It is an amenable number.

94975457989 is a deficient number, since it is larger than the sum of its proper divisors (1).

94975457989 is an equidigital number, since it uses as much as digits as its factorization.

94975457989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1028764800, while the sum is 76.

The spelling of 94975457989 in words is "ninety-four billion, nine hundred seventy-five million, four hundred fifty-seven thousand, nine hundred eighty-nine".