6495146786 has 16 divisors (see below), whose sum is σ = 10321949880. Its totient is φ = 3054723840.

The previous prime is 6495146783. The next prime is 6495146851. The reversal of 6495146786 is 6876415946.

It can be written as a sum of positive squares in 4 ways, for example, as 6467215561 + 27931225 = 80419^2 + 5285^2 .

It is a super-2 number, since 2×6495146786² = 84373863543372259592, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6495146783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216 + ... + 113996.

Almost surely, 2^6495146786 is an apocalyptic number.

6495146786 is a deficient number, since it is larger than the sum of its proper divisors (3826803094).

6495146786 is a wasteful number, since it uses less digits than its factorization.

6495146786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113509.

The product of its digits is 8709120, while the sum is 56.

The square root of 6495146786 is about 80592.4735071458. The cubic root of 6495146786 is about 1865.7909839034.

The spelling of 6495146786 in words is "six billion, four hundred ninety-five million, one hundred forty-six thousand, seven hundred eighty-six".