1852706073421 has 12 divisors (see below), whose sum is σ = 2159058008988. Its totient is φ = 1585182705792.

The previous prime is 1852706073391. The next prime is 1852706073433. The reversal of 1852706073421 is 1243706072581.

It can be written as a sum of positive squares in 2 ways, for example, as 399683162025 + 1453022911396 = 632205^2 + 1205414^2 .

It is not a de Polignac number, because 1852706073421 - 2¹⁹ = 1852705549133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852706083421) 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, 33913756 + ... + 33968341.

It is an arithmetic number, because the mean of its divisors is an integer number (179921500749).

Almost surely, 2^{1852706073421} is an apocalyptic number.

It is an amenable number.

1852706073421 is a deficient number, since it is larger than the sum of its proper divisors (306351935567).

1852706073421 is an equidigital number, since it uses as much as digits as its factorization.

1852706073421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67882668 (or 67882661 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 1852706073421 in words is "one trillion, eight hundred fifty-two billion, seven hundred six million, seventy-three thousand, four hundred twenty-one".