613640606203 has 2 divisors, whose sum is σ = 613640606204. Its totient is φ = 613640606202.

The previous prime is 613640606197. The next prime is 613640606221. The reversal of 613640606203 is 302606046316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613640606203 - 2¹⁷ = 613640475131 is a prime.

It is not a weakly prime, because it can be changed into another prime (613640603203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306820303101 + 306820303102.

It is an arithmetic number, because the mean of its divisors is an integer number (306820303102).

Almost surely, 2^613640606203 is an apocalyptic number.

613640606203 is a deficient number, since it is larger than the sum of its proper divisors (1).

613640606203 is an equidigital number, since it uses as much as digits as its factorization.

613640606203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 613640606203 in words is "six hundred thirteen billion, six hundred forty million, six hundred six thousand, two hundred three".