6539167412 has 6 divisors (see below), whose sum is σ = 11443542978. Its totient is φ = 3269583704.

The previous prime is 6539167391. The next prime is 6539167417. The reversal of 6539167412 is 2147619356.

It can be written as a sum of positive squares in only one way, i.e., 4304147236 + 2235020176 = 65606^2 + 47276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6539167417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817395923 + ... + 817395930.

It is an arithmetic number, because the mean of its divisors is an integer number (1907257163).

Almost surely, 2^6539167412 is an apocalyptic number.

It is an amenable number.

6539167412 is a deficient number, since it is larger than the sum of its proper divisors (4904375566).

6539167412 is a wasteful number, since it uses less digits than its factorization.

6539167412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634791857 (or 1634791855 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 6539167412 is about 80865.1186359112. The cubic root of 6539167412 is about 1869.9966076559.

The spelling of 6539167412 in words is "six billion, five hundred thirty-nine million, one hundred sixty-seven thousand, four hundred twelve".