613640606272 has 14 divisors (see below), whose sum is σ = 1217693078198. Its totient is φ = 306820303104.

The previous prime is 613640606251. The next prime is 613640606353. The reversal of 613640606272 is 272606046316.

It can be written as a sum of positive squares in only one way, i.e., 573678997056 + 39961609216 = 757416^2 + 199904^2 .

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 as a sum of consecutive naturals, namely, 4794067173 + ... + 4794067300.

Almost surely, 2^613640606272 is an apocalyptic number.

It is an amenable number.

613640606272 is a deficient number, since it is larger than the sum of its proper divisors (604052471926).

613640606272 is an equidigital number, since it uses as much as digits as its factorization.

613640606272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588134485 (or 9588134475 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 613640606272 in words is "six hundred thirteen billion, six hundred forty million, six hundred six thousand, two hundred seventy-two".