6493519872 has 360 divisors, whose sum is σ = 22327695936. Its totient is φ = 1847328768.

The previous prime is 6493519867. The next prime is 6493519897. The reversal of 6493519872 is 2789153946.

6493519872 is a `hidden beast` number, since 6 + 49 + 3 + 519 + 87 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27869068 + ... + 27869300.

Almost surely, 2^6493519872 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 6493519872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11163847968).

6493519872 is an abundant number, since it is smaller than the sum of its proper divisors (15834176064).

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

6493519872 is an frugal number, since it uses more digits than its factorization.

6493519872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 245 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 6493519872 is about 80582.3794138644. The cubic root of 6493519872 is about 1865.6351888638.

The spelling of 6493519872 in words is "six billion, four hundred ninety-three million, five hundred nineteen thousand, eight hundred seventy-two".