617217011409 has 32 divisors (see below), whose sum is σ = 875415340800. Its totient is φ = 386124784640.

The previous prime is 617217011399. The next prime is 617217011423. The reversal of 617217011409 is 904110712716.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 617217011409 - 2⁹ = 617217010897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (617217011429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609157 + ... + 1267085.

It is an arithmetic number, because the mean of its divisors is an integer number (27356729400).

Almost surely, 2^617217011409 is an apocalyptic number.

It is an amenable number.

617217011409 is a deficient number, since it is larger than the sum of its proper divisors (258198329391).

617217011409 is a wasteful number, since it uses less digits than its factorization.

617217011409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658265.

The product of its (nonzero) digits is 21168, while the sum is 39.

The spelling of 617217011409 in words is "six hundred seventeen billion, two hundred seventeen million, eleven thousand, four hundred nine".