1852835997321 has 12 divisors (see below), whose sum is σ = 2676993359872. Its totient is φ = 1234912599576.

The previous prime is 1852835997319. The next prime is 1852835997323. The reversal of 1852835997321 is 1237995382581.

1852835997321 is a `hidden beast` number, since 1 + 8 + 5 + 2 + 8 + 3 + 599 + 7 + 32 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1852835997319) and next prime (1852835997323).

It is not a de Polignac number, because 1852835997321 - 2¹ = 1852835997319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1852835997323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25912201 + ... + 25983606.

Almost surely, 2^{1852835997321} is an apocalyptic number.

It is an amenable number.

1852835997321 is a deficient number, since it is larger than the sum of its proper divisors (824157362551).

1852835997321 is a wasteful number, since it uses less digits than its factorization.

1852835997321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51899780 (or 51899777 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 1852835997321 in words is "one trillion, eight hundred fifty-two billion, eight hundred thirty-five million, nine hundred ninety-seven thousand, three hundred twenty-one".