6771619389 has 4 divisors (see below), whose sum is σ = 9028825856. Its totient is φ = 4514412924.

The previous prime is 6771619363. The next prime is 6771619411. The reversal of 6771619389 is 9839161776.

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 not a de Polignac number, because 6771619389 - 2¹¹ = 6771617341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771619289) 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, 1128603229 + ... + 1128603234.

It is an arithmetic number, because the mean of its divisors is an integer number (2257206464).

Almost surely, 2^6771619389 is an apocalyptic number.

It is an amenable number.

6771619389 is a deficient number, since it is larger than the sum of its proper divisors (2257206467).

6771619389 is a wasteful number, since it uses less digits than its factorization.

6771619389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257206466.

The product of its digits is 3429216, while the sum is 57.

The square root of 6771619389 is about 82289.8498540373. The cubic root of 6771619389 is about 1891.8971077463.

The spelling of 6771619389 in words is "six billion, seven hundred seventy-one million, six hundred nineteen thousand, three hundred eighty-nine".