1868323750 has 20 divisors (see below), whose sum is σ = 3501988380. Its totient is φ = 747329000.

The previous prime is 1868323747. The next prime is 1868323757. The reversal of 1868323750 is 573238681.

It is a junction number, because it is equal to n+sod(n) for n = 1868323697 and 1868323706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868323757) 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 9 ways as a sum of consecutive naturals, for example, 746080 + ... + 748579.

It is an arithmetic number, because the mean of its divisors is an integer number (175099419).

Almost surely, 2^1868323750 is an apocalyptic number.

1868323750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1868323750 is a deficient number, since it is larger than the sum of its proper divisors (1633664630).

1868323750 is an equidigital number, since it uses as much as digits as its factorization.

1868323750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494681 (or 1494666 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1868323750 is about 43224.1107485163. The cubic root of 1868323750 is about 1231.6407367836.

The spelling of 1868323750 in words is "one billion, eight hundred sixty-eight million, three hundred twenty-three thousand, seven hundred fifty".