6980861439 has 6 divisors (see below), whose sum is σ = 10083466536. Its totient is φ = 4653907620.

The previous prime is 6980861429. The next prime is 6980861471. The reversal of 6980861439 is 9341680896.

It is not a de Polignac number, because 6980861439 - 2¹⁶ = 6980795903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980861429) 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, 387825627 + ... + 387825644.

It is an arithmetic number, because the mean of its divisors is an integer number (1680577756).

Almost surely, 2^6980861439 is an apocalyptic number.

6980861439 is a deficient number, since it is larger than the sum of its proper divisors (3102605097).

6980861439 is a wasteful number, since it uses less digits than its factorization.

6980861439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775651277 (or 775651274 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 6980861439 is about 83551.5495906569. The cubic root of 6980861439 is about 1911.1862224639.

The spelling of 6980861439 in words is "six billion, nine hundred eighty million, eight hundred sixty-one thousand, four hundred thirty-nine".