6871629349 has 8 divisors (see below), whose sum is σ = 7413509880. Its totient is φ = 6331647936.

The previous prime is 6871629337. The next prime is 6871629361. The reversal of 6871629349 is 9439261786.

It is an interprime number because it is at equal distance from previous prime (6871629337) and next prime (6871629361).

It can be written as a sum of positive squares in 4 ways, for example, as 1073872900 + 5797756449 = 32770^2 + 76143^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6871629349 - 2⁷ = 6871629221 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 6871629349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871629049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467254 + ... + 481735.

It is an arithmetic number, because the mean of its divisors is an integer number (926688735).

Almost surely, 2^6871629349 is an apocalyptic number.

It is an amenable number.

6871629349 is a deficient number, since it is larger than the sum of its proper divisors (541880531).

6871629349 is a wasteful number, since it uses less digits than its factorization.

6871629349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949559.

The product of its digits is 3919104, while the sum is 55.

The square root of 6871629349 is about 82895.2914766575. The cubic root of 6871629349 is about 1901.1654298730.

The spelling of 6871629349 in words is "six billion, eight hundred seventy-one million, six hundred twenty-nine thousand, three hundred forty-nine".