6740988913 has 2 divisors, whose sum is σ = 6740988914. Its totient is φ = 6740988912.

The previous prime is 6740988899. The next prime is 6740988923. The reversal of 6740988913 is 3198890476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6078853089 + 662135824 = 77967^2 + 25732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6740988913 is a prime.

It is not a weakly prime, because it can be changed into another prime (6740988923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370494456 + 3370494457.

It is an arithmetic number, because the mean of its divisors is an integer number (3370494457).

Almost surely, 2^6740988913 is an apocalyptic number.

It is an amenable number.

6740988913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740988913 is an equidigital number, since it uses as much as digits as its factorization.

6740988913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 6740988913 is about 82103.5255820358. The cubic root of 6740988913 is about 1889.0402182458.

The spelling of 6740988913 in words is "six billion, seven hundred forty million, nine hundred eighty-eight thousand, nine hundred thirteen".