6786190494721 has 4 divisors (see below), whose sum is σ = 7403116903344. Its totient is φ = 6169264086100.

The previous prime is 6786190494719. The next prime is 6786190494731. The reversal of 6786190494721 is 1274940916876.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6786190494721 - 2¹ = 6786190494719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6786190494731) 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, 308463204295 + ... + 308463204316.

It is an arithmetic number, because the mean of its divisors is an integer number (1850779225836).

Almost surely, 2^{6786190494721} is an apocalyptic number.

It is an amenable number.

6786190494721 is a deficient number, since it is larger than the sum of its proper divisors (616926408623).

6786190494721 is a wasteful number, since it uses less digits than its factorization.

6786190494721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616926408622.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 6786190494721 in words is "six trillion, seven hundred eighty-six billion, one hundred ninety million, four hundred ninety-four thousand, seven hundred twenty-one".