6481313592 has 192 divisors, whose sum is σ = 19071820800. Its totient is φ = 1827671040.

The previous prime is 6481313591. The next prime is 6481313603. The reversal of 6481313592 is 2953131846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481313591) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2387628 + ... + 2390340.

It is an arithmetic number, because the mean of its divisors is an integer number (99332400).

Almost surely, 2^6481313592 is an apocalyptic number.

6481313592 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6481313592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9535910400).

6481313592 is an abundant number, since it is smaller than the sum of its proper divisors (12590507208).

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

6481313592 is a wasteful number, since it uses less digits than its factorization.

6481313592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798 (or 2781 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 6481313592 is about 80506.6058904485. The cubic root of 6481313592 is about 1864.4654714733.

The spelling of 6481313592 in words is "six billion, four hundred eighty-one million, three hundred thirteen thousand, five hundred ninety-two".