6994544329 has 6 divisors (see below), whose sum is σ = 7311877706. Its totient is φ = 6690433200.

The previous prime is 6994544317. The next prime is 6994544369. The reversal of 6994544329 is 9234454996.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6133239225 + 861305104 = 78315^2 + 29348^2 .

It is not a de Polignac number, because 6994544329 - 2¹¹ = 6994542281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6994544329.

It is not an unprimeable number, because it can be changed into a prime (6994544369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6610572 + ... + 6611629.

Almost surely, 2^6994544329 is an apocalyptic number.

It is an amenable number.

6994544329 is a deficient number, since it is larger than the sum of its proper divisors (317333377).

6994544329 is a wasteful number, since it uses less digits than its factorization.

6994544329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222247 (or 13222224 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 55.

The square root of 6994544329 is about 83633.3924279053. The cubic root of 6994544329 is about 1912.4340858369.

The spelling of 6994544329 in words is "six billion, nine hundred ninety-four million, five hundred forty-four thousand, three hundred twenty-nine".