6989294404 has 9 divisors (see below), whose sum is σ = 12231557821. Its totient is φ = 3494563600.

The previous prime is 6989294401. The next prime is 6989294447. The reversal of 6989294404 is 4044929896.

The square root of 6989294404 is 83602.

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

It can be written as a sum of positive squares in only one way, i.e., 27060804 + 6962233600 = 5202^2 + 83440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6989294401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 146304 + ... + 188104.

Almost surely, 2^6989294404 is an apocalyptic number.

6989294404 is the 83602-nd square number.

It is an amenable number.

6989294404 is a deficient number, since it is larger than the sum of its proper divisors (5242263417).

6989294404 is an frugal number, since it uses more digits than its factorization.

6989294404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83606 (or 41803 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The cubic root of 6989294404 is about 1911.9554914710.

The spelling of 6989294404 in words is "six billion, nine hundred eighty-nine million, two hundred ninety-four thousand, four hundred four".