613610645236 has 6 divisors (see below), whose sum is σ = 1073818629170. Its totient is φ = 306805322616.

The previous prime is 613610645209. The next prime is 613610645257. The reversal of 613610645236 is 632546016316.

It can be written as a sum of positive squares in only one way, i.e., 587991441636 + 25619203600 = 766806^2 + 160060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 613610645192 and 613610645201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76701330651 + ... + 76701330658.

Almost surely, 2^613610645236 is an apocalyptic number.

It is an amenable number.

613610645236 is a deficient number, since it is larger than the sum of its proper divisors (460207983934).

613610645236 is a wasteful number, since it uses less digits than its factorization.

613610645236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153402661313 (or 153402661311 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 613610645236 in words is "six hundred thirteen billion, six hundred ten million, six hundred forty-five thousand, two hundred thirty-six".