6546713786 has 8 divisors (see below), whose sum is σ = 10059584724. Its totient is φ = 3193518880.

The previous prime is 6546713783. The next prime is 6546713791. The reversal of 6546713786 is 6873176456.

It can be written as a sum of positive squares in 2 ways, for example, as 6542383225 + 4330561 = 80885^2 + 2081^2 .

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

It is a super-2 number, since 2×6546713786² = 85718922791604907592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6546713783) 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, 39918905 + ... + 39919068.

Almost surely, 2^6546713786 is an apocalyptic number.

6546713786 is a deficient number, since it is larger than the sum of its proper divisors (3512870938).

6546713786 is a wasteful number, since it uses less digits than its factorization.

6546713786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79838016.

The product of its digits is 5080320, while the sum is 53.

The square root of 6546713786 is about 80911.7654361836. The cubic root of 6546713786 is about 1870.7156731446.

The spelling of 6546713786 in words is "six billion, five hundred forty-six million, seven hundred thirteen thousand, seven hundred eighty-six".