613660272653 has 8 divisors (see below), whose sum is σ = 668232602400. Its totient is φ = 561315385008.

The previous prime is 613660272629. The next prime is 613660272661. The reversal of 613660272653 is 356272066316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 613660272653 - 2³⁸ = 338782365709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613660272598 and 613660272607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613660272613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556859951 + ... + 556861052.

It is an arithmetic number, because the mean of its divisors is an integer number (83529075300).

Almost surely, 2^613660272653 is an apocalyptic number.

It is an amenable number.

613660272653 is a deficient number, since it is larger than the sum of its proper divisors (54572329747).

613660272653 is a wasteful number, since it uses less digits than its factorization.

613660272653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113721051.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 613660272653 in words is "six hundred thirteen billion, six hundred sixty million, two hundred seventy-two thousand, six hundred fifty-three".