6411805012 has 6 divisors (see below), whose sum is σ = 11220658778. Its totient is φ = 3205902504.

The previous prime is 6411805007. The next prime is 6411805039. The reversal of 6411805012 is 2105081146.

It can be written as a sum of positive squares in only one way, i.e., 5831765956 + 580039056 = 76366^2 + 24084^2 .

It is a super-2 number, since 2×6411805012² = 82222487023816640288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801475623 + ... + 801475630.

Almost surely, 2^6411805012 is an apocalyptic number.

It is an amenable number.

6411805012 is a deficient number, since it is larger than the sum of its proper divisors (4808853766).

6411805012 is a wasteful number, since it uses less digits than its factorization.

6411805012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602951257 (or 1602951255 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 6411805012 is about 80073.7473333177. The cubic root of 6411805012 is about 1857.7763742070.

Adding to 6411805012 its reverse (2105081146), we get a palindrome (8516886158).

The spelling of 6411805012 in words is "six billion, four hundred eleven million, eight hundred five thousand, twelve".