6960491138 has 8 divisors (see below), whose sum is σ = 10463584332. Its totient is φ = 3472629696.

The previous prime is 6960491129. The next prime is 6960491143. The reversal of 6960491138 is 8311940696.

It can be written as a sum of positive squares in 2 ways, for example, as 5083262209 + 1877228929 = 71297^2 + 43327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6960491092 and 6960491101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3806795 + ... + 3808622.

Almost surely, 2^6960491138 is an apocalyptic number.

6960491138 is a deficient number, since it is larger than the sum of its proper divisors (3503093194).

6960491138 is a wasteful number, since it uses less digits than its factorization.

6960491138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615876.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 6960491138 is about 83429.5579396175. The cubic root of 6960491138 is about 1909.3254507882.

The spelling of 6960491138 in words is "six billion, nine hundred sixty million, four hundred ninety-one thousand, one hundred thirty-eight".