94738993209 has 27 divisors (see below), whose sum is σ = 159198149487. Its totient is φ = 54132873984.

The previous prime is 94738993127. The next prime is 94738993213. The reversal of 94738993209 is 90239983749.

The square root of 94738993209 is 307797.

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

94738993209 is a `hidden beast` number, since 9 + 47 + 389 + 9 + 3 + 209 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94325765625 + 413227584 = 307125^2 + 20328^2 .

It is not a de Polignac number, because 94738993209 - 2¹³ = 94738985017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (94738993229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6456409 + ... + 6471065.

Almost surely, 2^94738993209 is an apocalyptic number.

94738993209 is the 307797-th square number.

94738993209 is the 153899-th centered octagonal number.

It is an amenable number.

94738993209 is a deficient number, since it is larger than the sum of its proper divisors (64459156278).

94738993209 is an frugal number, since it uses more digits than its factorization.

94738993209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29334 (or 14667 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 94738993209 in words is "ninety-four billion, seven hundred thirty-eight million, nine hundred ninety-three thousand, two hundred nine".