193945143750 has 48 divisors (see below), whose sum is σ = 484831875024. Its totient is φ = 51718700000.

The previous prime is 193945143731. The next prime is 193945143781. The reversal of 193945143750 is 57341549391.

It is a happy number.

It is a super-2 number, since 2×193945143750² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 193945143693 and 193945143702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5153121 + ... + 5190620.

It is an arithmetic number, because the mean of its divisors is an integer number (10100664063).

Almost surely, 2^193945143750 is an apocalyptic number.

193945143750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193945143750 is an abundant number, since it is smaller than the sum of its proper divisors (290886731274).

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

193945143750 is an equidigital number, since it uses as much as digits as its factorization.

193945143750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343771 (or 10343751 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 193945143750 in words is "one hundred ninety-three billion, nine hundred forty-five million, one hundred forty-three thousand, seven hundred fifty".