1791435018012 has 48 divisors (see below), whose sum is σ = 4384591368192. Its totient is φ = 568191680320.

The previous prime is 1791435018011. The next prime is 1791435018053. The reversal of 1791435018012 is 2108105341971.

It is a super-3 number, since 3×1791435018012³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791435018011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16938663 + ... + 17044094.

It is an arithmetic number, because the mean of its divisors is an integer number (91345653504).

Almost surely, 2^{1791435018012} is an apocalyptic number.

1791435018012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1791435018012 is an abundant number, since it is smaller than the sum of its proper divisors (2593156350180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1791435018012 is a wasteful number, since it uses less digits than its factorization.

1791435018012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33982978 (or 33982976 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 1791435018012 in words is "one trillion, seven hundred ninety-one billion, four hundred thirty-five million, eighteen thousand, twelve".