494807546617 has 8 divisors (see below), whose sum is σ = 498623013000. Its totient is φ = 491003061120.

The previous prime is 494807546609. The next prime is 494807546663. The reversal of 494807546617 is 716645708494.

It can be written as a sum of positive squares in 4 ways, for example, as 308918086416 + 185889460201 = 555804^2 + 431149^2 .

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 494807546617 - 2³ = 494807546609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494807546687) 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, 2654742 + ... + 2835007.

It is an arithmetic number, because the mean of its divisors is an integer number (62327876625).

Almost surely, 2^494807546617 is an apocalyptic number.

It is an amenable number.

494807546617 is a deficient number, since it is larger than the sum of its proper divisors (3815466383).

494807546617 is a wasteful number, since it uses less digits than its factorization.

494807546617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490443.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 494807546617 in words is "four hundred ninety-four billion, eight hundred seven million, five hundred forty-six thousand, six hundred seventeen".