18750693750 has 48 divisors (see below), whose sum is σ = 46873781136. Its totient is φ = 5000180000.

The previous prime is 18750693739. The next prime is 18750693823. The reversal of 18750693750 is 5739605781.

It is a super-2 number, since 2×18750693750² (a number of 21 digits) contains 22 as substring.

18750693750 is a modest number, since divided by 693750 gives 18750 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 18750693693 and 18750693702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481269 + ... + 518768.

It is an arithmetic number, because the mean of its divisors is an integer number (976537107).

Almost surely, 2^18750693750 is an apocalyptic number.

18750693750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18750693750 is an abundant number, since it is smaller than the sum of its proper divisors (28123087386).

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

18750693750 is an equidigital number, since it uses as much as digits as its factorization.

18750693750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000067 (or 1000047 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 18750693750 in words is "eighteen billion, seven hundred fifty million, six hundred ninety-three thousand, seven hundred fifty".