1873723505550 has 48 divisors (see below), whose sum is σ = 5004283090800. Its totient is φ = 461224247040.

The previous prime is 1873723505543. The next prime is 1873723505551. The reversal of 1873723505550 is 555053273781.

It is a super-3 number, since 3×1873723505550³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1873723505493 and 1873723505502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873723505551) 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 23 ways as a sum of consecutive naturals, for example, 480439975 + ... + 480443874.

It is an arithmetic number, because the mean of its divisors is an integer number (104255897725).

Almost surely, 2^{1873723505550} is an apocalyptic number.

1873723505550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1873723505550 is an abundant number, since it is smaller than the sum of its proper divisors (3130559585250).

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

1873723505550 is a wasteful number, since it uses less digits than its factorization.

1873723505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960883877 (or 960883872 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 51.

The spelling of 1873723505550 in words is "one trillion, eight hundred seventy-three billion, seven hundred twenty-three million, five hundred five thousand, five hundred fifty".