613626614321 has 12 divisors (see below), whose sum is σ = 713846459700. Its totient is φ = 525939210720.

The previous prime is 613626614311. The next prime is 613626614323. The reversal of 613626614321 is 123416626316.

It can be written as a sum of positive squares in 2 ways, for example, as 358034689600 + 255591924721 = 598360^2 + 505561^2 .

It is not a de Polignac number, because 613626614321 - 2¹⁴ = 613626597937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613626614323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 702191 + ... + 1311611.

It is an arithmetic number, because the mean of its divisors is an integer number (59487204975).

Almost surely, 2^613626614321 is an apocalyptic number.

It is an amenable number.

613626614321 is a deficient number, since it is larger than the sum of its proper divisors (100219845379).

613626614321 is a wasteful number, since it uses less digits than its factorization.

613626614321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629984 (or 629977 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The spelling of 613626614321 in words is "six hundred thirteen billion, six hundred twenty-six million, six hundred fourteen thousand, three hundred twenty-one".