6959149247 has 4 divisors (see below), whose sum is σ = 7325420280. Its totient is φ = 6592878216.

The previous prime is 6959149237. The next prime is 6959149271. The reversal of 6959149247 is 7429419596.

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 6959149247 - 2²⁶ = 6892040383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6959149192 and 6959149201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6959149207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183135488 + ... + 183135525.

It is an arithmetic number, because the mean of its divisors is an integer number (1831355070).

Almost surely, 2^6959149247 is an apocalyptic number.

6959149247 is a deficient number, since it is larger than the sum of its proper divisors (366271033).

6959149247 is a wasteful number, since it uses less digits than its factorization.

6959149247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366271032.

The product of its digits is 4898880, while the sum is 56.

The square root of 6959149247 is about 83421.5154921079. The cubic root of 6959149247 is about 1909.2027453042.

The spelling of 6959149247 in words is "six billion, nine hundred fifty-nine million, one hundred forty-nine thousand, two hundred forty-seven".