1853755434361 has 2 divisors, whose sum is σ = 1853755434362. Its totient is φ = 1853755434360.

The previous prime is 1853755434281. The next prime is 1853755434403. The reversal of 1853755434361 is 1634345573581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1497980166400 + 355775267961 = 1223920^2 + 596469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1853755434361 - 2⁷ = 1853755434233 is a prime.

It is a super-3 number, since 3×1853755434361³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1853755437361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926877717180 + 926877717181.

It is an arithmetic number, because the mean of its divisors is an integer number (926877717181).

Almost surely, 2^{1853755434361} is an apocalyptic number.

It is an amenable number.

1853755434361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1853755434361 is an equidigital number, since it uses as much as digits as its factorization.

1853755434361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 55.

The spelling of 1853755434361 in words is "one trillion, eight hundred fifty-three billion, seven hundred fifty-five million, four hundred thirty-four thousand, three hundred sixty-one".