1912743868 has 24 divisors (see below), whose sum is σ = 3839724000. Its totient is φ = 816696768.

The previous prime is 1912743863. The next prime is 1912743869. The reversal of 1912743868 is 8683472191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912743863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119443 + ... + 134506.

It is an arithmetic number, because the mean of its divisors is an integer number (159988500).

Almost surely, 2^1912743868 is an apocalyptic number.

It is an amenable number.

1912743868 is an abundant number, since it is smaller than the sum of its proper divisors (1926980132).

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

1912743868 is a wasteful number, since it uses less digits than its factorization.

1912743868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254229 (or 254227 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 1912743868 is about 43734.9273235934. The cubic root of 1912743868 is about 1241.3252973932.

The spelling of 1912743868 in words is "one billion, nine hundred twelve million, seven hundred forty-three thousand, eight hundred sixty-eight".