613745320764 has 48 divisors (see below), whose sum is σ = 1471307392800. Its totient is φ = 198980764416.

The previous prime is 613745320679. The next prime is 613745320777. The reversal of 613745320764 is 467023547316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990502 + ... + 1486130.

It is an arithmetic number, because the mean of its divisors is an integer number (30652237350).

Almost surely, 2^613745320764 is an apocalyptic number.

It is an amenable number.

613745320764 is an abundant number, since it is smaller than the sum of its proper divisors (857562072036).

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

613745320764 is a wasteful number, since it uses less digits than its factorization.

613745320764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498462 (or 498460 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 613745320764 in words is "six hundred thirteen billion, seven hundred forty-five million, three hundred twenty thousand, seven hundred sixty-four".