617913587045 has 8 divisors (see below), whose sum is σ = 741500805120. Its totient is φ = 494327869200.

The previous prime is 617913587023. The next prime is 617913587051. The reversal of 617913587045 is 540785319716.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 617913587045 - 2¹⁴ = 617913570661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968876 + ... + 1474634.

It is an arithmetic number, because the mean of its divisors is an integer number (92687600640).

Almost surely, 2^617913587045 is an apocalyptic number.

It is an amenable number.

617913587045 is a deficient number, since it is larger than the sum of its proper divisors (123587218075).

617913587045 is a wasteful number, since it uses less digits than its factorization.

617913587045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750115.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 617913587045 in words is "six hundred seventeen billion, nine hundred thirteen million, five hundred eighty-seven thousand, forty-five".