6481212192 has 576 divisors, whose sum is σ = 24836232960. Its totient is φ = 1604468736.

The previous prime is 6481212181. The next prime is 6481212193. The reversal of 6481212192 is 2912121846.

6481212192 is a `hidden beast` number, since 648 + 1 + 2 + 1 + 2 + 1 + 9 + 2 = 666.

It is a super-2 number, since 2×6481212192² = 84012222955458889728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6481212193) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17375718 + ... + 17376090.

It is an arithmetic number, because the mean of its divisors is an integer number (43118460).

Almost surely, 2^6481212192 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 6481212192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12418116480).

6481212192 is an abundant number, since it is smaller than the sum of its proper divisors (18355020768).

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

6481212192 is a wasteful number, since it uses less digits than its factorization.

6481212192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 415 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 6481212192 is about 80505.9761259995. The cubic root of 6481212192 is about 1864.4557482496.

The spelling of 6481212192 in words is "six billion, four hundred eighty-one million, two hundred twelve thousand, one hundred ninety-two".