6412864861389 has 32 divisors (see below), whose sum is σ = 10286757806080. Its totient is φ = 3471471421632.

The previous prime is 6412864861369. The next prime is 6412864861397. The reversal of 6412864861389 is 9831684682146.

It is not a de Polignac number, because 6412864861389 - 2⁸ = 6412864861133 is a prime.

It is a super-2 number, since 2×6412864861389² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412864861339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8909172 + ... + 9602034.

It is an arithmetic number, because the mean of its divisors is an integer number (321461181440).

Almost surely, 2^{6412864861389} is an apocalyptic number.

It is an amenable number.

6412864861389 is a deficient number, since it is larger than the sum of its proper divisors (3873892944691).

6412864861389 is a wasteful number, since it uses less digits than its factorization.

6412864861389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716089.

The product of its digits is 95551488, while the sum is 66.

The spelling of 6412864861389 in words is "six trillion, four hundred twelve billion, eight hundred sixty-four million, eight hundred sixty-one thousand, three hundred eighty-nine".