1850385220027 has 2 divisors, whose sum is σ = 1850385220028. Its totient is φ = 1850385220026.

The previous prime is 1850385219971. The next prime is 1850385220031. The reversal of 1850385220027 is 7200225830581.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1850385220027 - 2³⁵ = 1816025481659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1850385220087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925192610013 + 925192610014.

It is an arithmetic number, because the mean of its divisors is an integer number (925192610014).

Almost surely, 2^{1850385220027} is an apocalyptic number.

1850385220027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1850385220027 is an equidigital number, since it uses as much as digits as its factorization.

1850385220027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 1850385220027 in words is "one trillion, eight hundred fifty billion, three hundred eighty-five million, two hundred twenty thousand, twenty-seven".