6750139811 has 2 divisors, whose sum is σ = 6750139812. Its totient is φ = 6750139810.

The previous prime is 6750139801. The next prime is 6750139813. The reversal of 6750139811 is 1189310576.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6750139811 is a prime.

Together with 6750139813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6750139813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375069905 + 3375069906.

It is an arithmetic number, because the mean of its divisors is an integer number (3375069906).

Almost surely, 2^6750139811 is an apocalyptic number.

6750139811 is a deficient number, since it is larger than the sum of its proper divisors (1).

6750139811 is an equidigital number, since it uses as much as digits as its factorization.

6750139811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 6750139811 is about 82159.2344840189. The cubic root of 6750139811 is about 1889.8946229613.

The spelling of 6750139811 in words is "six billion, seven hundred fifty million, one hundred thirty-nine thousand, eight hundred eleven".