353666847385 has 8 divisors (see below), whose sum is σ = 424417699656. Its totient is φ = 282921822720.

The previous prime is 353666847377. The next prime is 353666847397. The reversal of 353666847385 is 583748666353.

It can be written as a sum of positive squares in 4 ways, for example, as 50344589376 + 303322258009 = 224376^2 + 550747^2 .

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

It is not a de Polignac number, because 353666847385 - 2³ = 353666847377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322254 + ... + 1567063.

It is an arithmetic number, because the mean of its divisors is an integer number (53052212457).

Almost surely, 2^353666847385 is an apocalyptic number.

It is an amenable number.

353666847385 is a deficient number, since it is larger than the sum of its proper divisors (70750852271).

353666847385 is a wasteful number, since it uses less digits than its factorization.

353666847385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913803.

The product of its digits is 261273600, while the sum is 64.

The spelling of 353666847385 in words is "three hundred fifty-three billion, six hundred sixty-six million, eight hundred forty-seven thousand, three hundred eighty-five".