6738043009611 has 4 divisors (see below), whose sum is σ = 8984057346152. Its totient is φ = 4492028673072.

The previous prime is 6738043009541. The next prime is 6738043009661. The reversal of 6738043009611 is 1169003408376.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6738043009611 - 2⁹ = 6738043009099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6738043009661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123007168266 + ... + 1123007168271.

It is an arithmetic number, because the mean of its divisors is an integer number (2246014336538).

Almost surely, 2^{6738043009611} is an apocalyptic number.

6738043009611 is a deficient number, since it is larger than the sum of its proper divisors (2246014336541).

6738043009611 is a wasteful number, since it uses less digits than its factorization.

6738043009611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246014336540.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 6738043009611 in words is "six trillion, seven hundred thirty-eight billion, forty-three million, nine thousand, six hundred eleven".