6968131243 has 4 divisors (see below), whose sum is σ = 6968409480. Its totient is φ = 6967853008.

The previous prime is 6968131189. The next prime is 6968131271. The reversal of 6968131243 is 3421318696.

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 6968131243 - 2²⁹ = 6431260331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6968131243.

It is not an unprimeable number, because it can be changed into a prime (6968131283) 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, 97378 + ... + 153031.

It is an arithmetic number, because the mean of its divisors is an integer number (1742102370).

Almost surely, 2^6968131243 is an apocalyptic number.

6968131243 is a deficient number, since it is larger than the sum of its proper divisors (278237).

6968131243 is a wasteful number, since it uses less digits than its factorization.

6968131243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278236.

The product of its digits is 186624, while the sum is 43.

The square root of 6968131243 is about 83475.3331409944. Note that the first 3 decimals coincide. The cubic root of 6968131243 is about 1910.0237785660.

The spelling of 6968131243 in words is "six billion, nine hundred sixty-eight million, one hundred thirty-one thousand, two hundred forty-three".