6989409294 has 24 divisors (see below), whose sum is σ = 16261075368. Its totient is φ = 1996974000.

The previous prime is 6989409283. The next prime is 6989409299. The reversal of 6989409294 is 4929049896.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989409299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11886457 + ... + 11887044.

It is an arithmetic number, because the mean of its divisors is an integer number (677544807).

Almost surely, 2^6989409294 is an apocalyptic number.

6989409294 is an abundant number, since it is smaller than the sum of its proper divisors (9271666074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6989409294 is a wasteful number, since it uses less digits than its factorization.

6989409294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23773520 (or 23773513 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The square root of 6989409294 is about 83602.6871218862. The cubic root of 6989409294 is about 1911.9659676532.

The spelling of 6989409294 in words is "six billion, nine hundred eighty-nine million, four hundred nine thousand, two hundred ninety-four".