1850274840421 has 24 divisors (see below), whose sum is σ = 2154640155360. Its totient is φ = 1584271174752.

The previous prime is 1850274840391. The next prime is 1850274840437. The reversal of 1850274840421 is 1240484720581.

It is not a de Polignac number, because 1850274840421 - 2⁵ = 1850274840389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850274840451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235190530 + ... + 235198396.

It is an arithmetic number, because the mean of its divisors is an integer number (89776673140).

Almost surely, 2^{1850274840421} is an apocalyptic number.

It is an amenable number.

1850274840421 is a deficient number, since it is larger than the sum of its proper divisors (304365314939).

1850274840421 is a wasteful number, since it uses less digits than its factorization.

1850274840421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353 (or 12346 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 46.

The spelling of 1850274840421 in words is "one trillion, eight hundred fifty billion, two hundred seventy-four million, eight hundred forty thousand, four hundred twenty-one".