6811351471466 has 4 divisors (see below), whose sum is σ = 10217027207202. Its totient is φ = 3405675735732.

The previous prime is 6811351471429. The next prime is 6811351471543. The reversal of 6811351471466 is 6641741531186.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 6802263853225 + 9087618241 = 2608115^2 + 95329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702837867865 + ... + 1702837867868.

Almost surely, 2^{6811351471466} is an apocalyptic number.

6811351471466 is a deficient number, since it is larger than the sum of its proper divisors (3405675735736).

6811351471466 is a wasteful number, since it uses less digits than its factorization.

6811351471466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405675735735.

The product of its digits is 2903040, while the sum is 53.

The spelling of 6811351471466 in words is "six trillion, eight hundred eleven billion, three hundred fifty-one million, four hundred seventy-one thousand, four hundred sixty-six".