1856480245441 has 2 divisors, whose sum is σ = 1856480245442. Its totient is φ = 1856480245440.

The previous prime is 1856480245351. The next prime is 1856480245511. The reversal of 1856480245441 is 1445420846581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1846772281600 + 9707963841 = 1358960^2 + 98529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1856480245441 - 2²¹ = 1856478148289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1856480246441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 928240122720 + 928240122721.

It is an arithmetic number, because the mean of its divisors is an integer number (928240122721).

Almost surely, 2^{1856480245441} is an apocalyptic number.

It is an amenable number.

1856480245441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1856480245441 is an equidigital number, since it uses as much as digits as its factorization.

1856480245441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4915200, while the sum is 52.

The spelling of 1856480245441 in words is "one trillion, eight hundred fifty-six billion, four hundred eighty million, two hundred forty-five thousand, four hundred forty-one".