6968652491 has 4 divisors (see below), whose sum is σ = 6971012112. Its totient is φ = 6966292872.

The previous prime is 6968652487. The next prime is 6968652497. The reversal of 6968652491 is 1942568696.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6968652491 - 2² = 6968652487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6968652497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175375 + ... + 1181288.

It is an arithmetic number, because the mean of its divisors is an integer number (1742753028).

Almost surely, 2^6968652491 is an apocalyptic number.

6968652491 is a deficient number, since it is larger than the sum of its proper divisors (2359621).

6968652491 is a wasteful number, since it uses less digits than its factorization.

6968652491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359620.

The product of its digits is 5598720, while the sum is 56.

The square root of 6968652491 is about 83478.4552504417. The cubic root of 6968652491 is about 1910.0714035421.

The spelling of 6968652491 in words is "six billion, nine hundred sixty-eight million, six hundred fifty-two thousand, four hundred ninety-one".