1912858233432 has 32 divisors (see below), whose sum is σ = 5033837457600. Its totient is φ = 604060494624.

The previous prime is 1912858233323. The next prime is 1912858233439. The reversal of 1912858233432 is 2343328582191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912858233439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2097431818 + ... + 2097432729.

It is an arithmetic number, because the mean of its divisors is an integer number (157307420550).

Almost surely, 2^{1912858233432} is an apocalyptic number.

1912858233432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1912858233432 is an abundant number, since it is smaller than the sum of its proper divisors (3120979224168).

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

1912858233432 is a wasteful number, since it uses less digits than its factorization.

1912858233432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194864575 (or 4194864571 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 1912858233432 in words is "one trillion, nine hundred twelve billion, eight hundred fifty-eight million, two hundred thirty-three thousand, four hundred thirty-two".