617533901713 has 4 divisors (see below), whose sum is σ = 617535480100. Its totient is φ = 617532323328.

The previous prime is 617533901701. The next prime is 617533901779. The reversal of 617533901713 is 317109335716.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 74494605969 + 543039295744 = 272937^2 + 736912^2 .

It is a cyclic number.

It is not a de Polignac number, because 617533901713 - 2²⁹ = 616997030801 is a prime.

It is a super-2 number, since 2×617533901713² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617536901713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285481 + ... + 1147417.

It is an arithmetic number, because the mean of its divisors is an integer number (154383870025).

Almost surely, 2^617533901713 is an apocalyptic number.

It is an amenable number.

617533901713 is a deficient number, since it is larger than the sum of its proper divisors (1578387).

617533901713 is an equidigital number, since it uses as much as digits as its factorization.

617533901713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578386.

The product of its (nonzero) digits is 357210, while the sum is 46.

The spelling of 617533901713 in words is "six hundred seventeen billion, five hundred thirty-three million, nine hundred one thousand, seven hundred thirteen".