613406503560497 has 8 divisors (see below), whose sum is σ = 626770985437800. Its totient is φ = 600108346656000.

The previous prime is 613406503560463. The next prime is 613406503560637. The reversal of 613406503560497 is 794065305604316.

It can be written as a sum of positive squares in 4 ways, for example, as 333497575991056 + 279908927569441 = 18261916^2 + 16730479^2 .

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 613406503560497 - 2¹⁸ = 613406503298353 is a prime.

It is a super-2 number, since 2×613406503560497² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613406503560457) 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, 16581224504 + ... + 16581261497.

It is an arithmetic number, because the mean of its divisors is an integer number (78346373179725).

Almost surely, 2^{613406503560497} is an apocalyptic number.

It is an amenable number.

613406503560497 is a deficient number, since it is larger than the sum of its proper divisors (13364481877303).

613406503560497 is a wasteful number, since it uses less digits than its factorization.

613406503560497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33162486403.

The product of its (nonzero) digits is 48988800, while the sum is 59.

The spelling of 613406503560497 in words is "six hundred thirteen trillion, four hundred six billion, five hundred three million, five hundred sixty thousand, four hundred ninety-seven".