1854797022041 has 2 divisors, whose sum is σ = 1854797022042. Its totient is φ = 1854797022040.

The previous prime is 1854797021939. The next prime is 1854797022097. The reversal of 1854797022041 is 1402207974581.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1179928200025 + 674868822016 = 1086245^2 + 821504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1854797022041 - 2³⁰ = 1853723280217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1854797022241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927398511020 + 927398511021.

It is an arithmetic number, because the mean of its divisors is an integer number (927398511021).

Almost surely, 2^{1854797022041} is an apocalyptic number.

It is an amenable number.

1854797022041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1854797022041 is an equidigital number, since it uses as much as digits as its factorization.

1854797022041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 1854797022041 in words is "one trillion, eight hundred fifty-four billion, seven hundred ninety-seven million, twenty-two thousand, forty-one".