613406503560557 has 16 divisors (see below), whose sum is σ = 707480227449600. Its totient is φ = 520944008705280.

The previous prime is 613406503560463. The next prime is 613406503560637. The reversal of 613406503560557 is 755065305604316.

It is a cyclic number.

It is not a de Polignac number, because 613406503560557 - 2¹⁰ = 613406503559533 is a prime.

It is a super-2 number, since 2×613406503560557² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613406503560157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35479544 + ... + 49855902.

It is an arithmetic number, because the mean of its divisors is an integer number (44217514215600).

Almost surely, 2^{613406503560557} is an apocalyptic number.

It is an amenable number.

613406503560557 is a deficient number, since it is larger than the sum of its proper divisors (94073723889043).

613406503560557 is a wasteful number, since it uses less digits than its factorization.

613406503560557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432396.

The product of its (nonzero) digits is 34020000, while the sum is 56.

The spelling of 613406503560557 in words is "six hundred thirteen trillion, four hundred six billion, five hundred three million, five hundred sixty thousand, five hundred fifty-seven".