6412809215 has 16 divisors (see below), whose sum is σ = 7736256000. Its totient is φ = 5103051552.

The previous prime is 6412809211. The next prime is 6412809217. The reversal of 6412809215 is 5129082146.

It is a cyclic number.

It is not a de Polignac number, because 6412809215 - 2² = 6412809211 is a prime.

It is a super-2 number, since 2×6412809215² = 82248244055977832450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412809211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968486 + ... + 975084.

It is an arithmetic number, because the mean of its divisors is an integer number (483516000).

Almost surely, 2^6412809215 is an apocalyptic number.

6412809215 is a deficient number, since it is larger than the sum of its proper divisors (1323446785).

6412809215 is a wasteful number, since it uses less digits than its factorization.

6412809215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 6412809215 is about 80080.0175761719. The cubic root of 6412809215 is about 1857.8733561135.

The spelling of 6412809215 in words is "six billion, four hundred twelve million, eight hundred nine thousand, two hundred fifteen".