353661130369 has 2 divisors, whose sum is σ = 353661130370. Its totient is φ = 353661130368.

The previous prime is 353661130349. The next prime is 353661130469. The reversal of 353661130369 is 963031166353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304880665600 + 48780464769 = 552160^2 + 220863^2 .

It is a cyclic number.

It is not a de Polignac number, because 353661130369 - 2⁵ = 353661130337 is a prime.

It is a super-2 number, since 2×353661130369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (353661130349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176830565184 + 176830565185.

It is an arithmetic number, because the mean of its divisors is an integer number (176830565185).

Almost surely, 2^353661130369 is an apocalyptic number.

It is an amenable number.

353661130369 is a deficient number, since it is larger than the sum of its proper divisors (1).

353661130369 is an equidigital number, since it uses as much as digits as its factorization.

353661130369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 46.

The spelling of 353661130369 in words is "three hundred fifty-three billion, six hundred sixty-one million, one hundred thirty thousand, three hundred sixty-nine".