6740988899 has 2 divisors, whose sum is σ = 6740988900. Its totient is φ = 6740988898.

The previous prime is 6740988889. The next prime is 6740988913. The reversal of 6740988899 is 9988890476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6740988899 is a prime.

It is not a weakly prime, because it can be changed into another prime (6740988829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370494449 + 3370494450.

It is an arithmetic number, because the mean of its divisors is an integer number (3370494450).

Almost surely, 2^6740988899 is an apocalyptic number.

6740988899 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740988899 is an equidigital number, since it uses as much as digits as its factorization.

6740988899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62705664, while the sum is 68.

The square root of 6740988899 is about 82103.5254967775. The cubic root of 6740988899 is about 1889.0402169381.

The spelling of 6740988899 in words is "six billion, seven hundred forty million, nine hundred eighty-eight thousand, eight hundred ninety-nine".