617112051613 has 8 divisors (see below), whose sum is σ = 623343541176. Its totient is φ = 610882944000.

The previous prime is 617112051607. The next prime is 617112051617. The reversal of 617112051613 is 316150211716.

It can be written as a sum of positive squares in 4 ways, for example, as 446408387044 + 170703664569 = 668138^2 + 413163^2 .

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 617112051613 - 2⁵ = 617112051581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617112051617) 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, 72408 + ... + 1113313.

It is an arithmetic number, because the mean of its divisors is an integer number (77917942647).

Almost surely, 2^617112051613 is an apocalyptic number.

It is an amenable number.

617112051613 is a deficient number, since it is larger than the sum of its proper divisors (6231489563).

617112051613 is a wasteful number, since it uses less digits than its factorization.

617112051613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190975.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 617112051613 in words is "six hundred seventeen billion, one hundred twelve million, fifty-one thousand, six hundred thirteen".