353459649685 has 8 divisors (see below), whose sum is σ = 435615136056. Its totient is φ = 275125348800.

The previous prime is 353459649677. The next prime is 353459649689. The reversal of 353459649685 is 586946954353.

It can be written as a sum of positive squares in 4 ways, for example, as 174421499044 + 179038150641 = 417638^2 + 423129^2 .

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

It is not a de Polignac number, because 353459649685 - 2³ = 353459649677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 353459649685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353459649689) 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, 955296166 + ... + 955296535.

It is an arithmetic number, because the mean of its divisors is an integer number (54451892007).

Almost surely, 2^353459649685 is an apocalyptic number.

It is an amenable number.

353459649685 is a deficient number, since it is larger than the sum of its proper divisors (82155486371).

353459649685 is a wasteful number, since it uses less digits than its factorization.

353459649685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910592743.

The product of its digits is 419904000, while the sum is 67.

The spelling of 353459649685 in words is "three hundred fifty-three billion, four hundred fifty-nine million, six hundred forty-nine thousand, six hundred eighty-five".