94146489889 has 9 divisors (see below), whose sum is σ = 100015826457. Its totient is φ = 88603551744.

The previous prime is 94146489869. The next prime is 94146489901. The reversal of 94146489889 is 98898464149.

The square root of 94146489889 is 306833.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 39674664225 + 54471825664 = 199185^2 + 233392^2 .

It is not a de Polignac number, because 94146489889 - 2¹³ = 94146481697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94146489869) 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 in 8 ways as a sum of consecutive naturals, for example, 5207137 + ... + 5225185.

Almost surely, 2^94146489889 is an apocalyptic number.

94146489889 is the 306833-rd square number.

94146489889 is the 153417-th centered octagonal number.

It is an amenable number.

94146489889 is a deficient number, since it is larger than the sum of its proper divisors (5869336568).

94146489889 is an frugal number, since it uses more digits than its factorization.

94146489889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36132 (or 18066 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 70.

The spelling of 94146489889 in words is "ninety-four billion, one hundred forty-six million, four hundred eighty-nine thousand, eight hundred eighty-nine".