6412888903392 has 144 divisors (see below), whose sum is σ = 18476010614880. Its totient is φ = 2109695901696.

The previous prime is 6412888903319. The next prime is 6412888903397. The reversal of 6412888903392 is 2933098882146.

6412888903392 is a `hidden beast` number, since 64 + 1 + 28 + 88 + 90 + 3 + 392 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×6412888903392² (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 (6412888903397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9709308 + ... + 10348740.

It is an arithmetic number, because the mean of its divisors is an integer number (128305629270).

Almost surely, 2^{6412888903392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6412888903392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9238005307440).

6412888903392 is an abundant number, since it is smaller than the sum of its proper divisors (12063121711488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6412888903392 is a wasteful number, since it uses less digits than its factorization.

6412888903392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639905 (or 639894 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 6412888903392 in words is "six trillion, four hundred twelve billion, eight hundred eighty-eight million, nine hundred three thousand, three hundred ninety-two".