1854481005829 has 2 divisors, whose sum is σ = 1854481005830. Its totient is φ = 1854481005828.

The previous prime is 1854481005761. The next prime is 1854481005841. The reversal of 1854481005829 is 9285001844581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1757387692225 + 97093313604 = 1325665^2 + 311598^2 .

It is a cyclic number.

It is not a de Polignac number, because 1854481005829 - 2¹⁹ = 1854480481541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1854481005829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1854481005889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927240502914 + 927240502915.

It is an arithmetic number, because the mean of its divisors is an integer number (927240502915).

Almost surely, 2^{1854481005829} is an apocalyptic number.

It is an amenable number.

1854481005829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1854481005829 is an equidigital number, since it uses as much as digits as its factorization.

1854481005829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3686400, while the sum is 55.

The spelling of 1854481005829 in words is "one trillion, eight hundred fifty-four billion, four hundred eighty-one million, five thousand, eight hundred twenty-nine".