6981670337 has 16 divisors (see below), whose sum is σ = 7369917840. Its totient is φ = 6603647232.

The previous prime is 6981670331. The next prime is 6981670357. The reversal of 6981670337 is 7330761896.

It can be written as a sum of positive squares in 8 ways, for example, as 1016270641 + 5965399696 = 31879^2 + 77236^2 .

It is a cyclic number.

It is not a de Polignac number, because 6981670337 - 2¹⁰ = 6981669313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6981670331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123523 + ... + 1129719.

It is an arithmetic number, because the mean of its divisors is an integer number (460619865).

Almost surely, 2^6981670337 is an apocalyptic number.

It is an amenable number.

6981670337 is a deficient number, since it is larger than the sum of its proper divisors (388247503).

6981670337 is a wasteful number, since it uses less digits than its factorization.

6981670337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 6981670337 is about 83556.3901625722. The cubic root of 6981670337 is about 1911.2600383303.

The spelling of 6981670337 in words is "six billion, nine hundred eighty-one million, six hundred seventy thousand, three hundred thirty-seven".