6774587161291 has 4 divisors (see below), whose sum is σ = 6775272372672. Its totient is φ = 6773901949912.

The previous prime is 6774587161283. The next prime is 6774587161313. The reversal of 6774587161291 is 1921617854776.

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

It is a cyclic number.

It is not a de Polignac number, because 6774587161291 - 2³ = 6774587161283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6774587161231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342590860 + ... + 342610633.

It is an arithmetic number, because the mean of its divisors is an integer number (1693818093168).

Almost surely, 2^{6774587161291} is an apocalyptic number.

6774587161291 is a deficient number, since it is larger than the sum of its proper divisors (685211381).

6774587161291 is an equidigital number, since it uses as much as digits as its factorization.

6774587161291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685211380.

The product of its digits is 35562240, while the sum is 64.

The spelling of 6774587161291 in words is "six trillion, seven hundred seventy-four billion, five hundred eighty-seven million, one hundred sixty-one thousand, two hundred ninety-one".