6711709381 has 16 divisors (see below), whose sum is σ = 7350878080. Its totient is φ = 6090966720.

The previous prime is 6711709363. The next prime is 6711709399. The reversal of 6711709381 is 1839071176.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6711709363) and next prime (6711709399).

It is a cyclic number.

It is not a de Polignac number, because 6711709381 - 2⁷ = 6711709253 is a prime.

It is a super-2 number, since 2×6711709381² = 90094085630006806322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6711709331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168091 + ... + 204151.

It is an arithmetic number, because the mean of its divisors is an integer number (459429880).

Almost surely, 2^6711709381 is an apocalyptic number.

It is an amenable number.

6711709381 is a deficient number, since it is larger than the sum of its proper divisors (639168699).

6711709381 is a wasteful number, since it uses less digits than its factorization.

6711709381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36316.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 6711709381 is about 81925.0229234023. The cubic root of 6711709381 is about 1886.3012290494.

The spelling of 6711709381 in words is "six billion, seven hundred eleven million, seven hundred nine thousand, three hundred eighty-one".