613044994380 has 1152 divisors, whose sum is σ = 2349103841280. Its totient is φ = 116162242560.

The previous prime is 613044994337. The next prime is 613044994381. The reversal of 613044994380 is 83499440316.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (613044994381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 4827125877 + ... + 4827126003.

It is an arithmetic number, because the mean of its divisors is an integer number (2039152640).

Almost surely, 2^613044994380 is an apocalyptic number.

613044994380 is a gapful number since it is divisible by the number (60) 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 613044994380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174551920640).

613044994380 is an abundant number, since it is smaller than the sum of its proper divisors (1736058846900).

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

613044994380 is a wasteful number, since it uses less digits than its factorization.

613044994380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 613044994380 in words is "six hundred thirteen billion, forty-four million, nine hundred ninety-four thousand, three hundred eighty".