353612817783873 has 6 divisors (see below), whose sum is σ = 510774070132274. Its totient is φ = 235741878522576.

The previous prime is 353612817783871. The next prime is 353612817783889. The reversal of 353612817783873 is 378387718216353.

353612817783873 is a `hidden beast` number, since 3 + 5 + 361 + 28 + 177 + 8 + 3 + 8 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 264832270174224 + 88780547609649 = 16273668^2 + 9422343^2 .

It is not a de Polignac number, because 353612817783873 - 2¹ = 353612817783871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353612817783871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19645156543540 + ... + 19645156543557.

Almost surely, 2^{353612817783873} is an apocalyptic number.

It is an amenable number.

353612817783873 is a deficient number, since it is larger than the sum of its proper divisors (157161252348401).

353612817783873 is a wasteful number, since it uses less digits than its factorization.

353612817783873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39290313087103 (or 39290313087100 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 72.

The spelling of 353612817783873 in words is "three hundred fifty-three trillion, six hundred twelve billion, eight hundred seventeen million, seven hundred eighty-three thousand, eight hundred seventy-three".