6746638940371 has 8 divisors (see below), whose sum is σ = 7558887855024. Its totient is φ = 5967543042720.

The previous prime is 6746638940347. The next prime is 6746638940429. The reversal of 6746638940371 is 1730498366476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6746638940371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6746638940341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8288253820 + ... + 8288254633.

It is an arithmetic number, because the mean of its divisors is an integer number (944860981878).

Almost surely, 2^{6746638940371} is an apocalyptic number.

6746638940371 is a deficient number, since it is larger than the sum of its proper divisors (812248914653).

6746638940371 is a wasteful number, since it uses less digits than its factorization.

6746638940371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16576508501.

The product of its (nonzero) digits is 109734912, while the sum is 64.

The spelling of 6746638940371 in words is "six trillion, seven hundred forty-six billion, six hundred thirty-eight million, nine hundred forty thousand, three hundred seventy-one".