1873191245056 has 18 divisors (see below), whose sum is σ = 3739065337322. Its totient is φ = 936595622400.

The previous prime is 1873191244943. The next prime is 1873191245113. The reversal of 1873191245056 is 6505421913781.

It can be written as a sum of positive squares in only one way, i.e., 945406182400 + 927785062656 = 972320^2 + 963216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1873191244994 and 1873191245012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658576395 + ... + 3658576906.

It is a 1-persistent number, because it is pandigital, but 2⋅1873191245056 = 3746382490112 is not.

Almost surely, 2^{1873191245056} is an apocalyptic number.

1873191245056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1873191245056 is a deficient number, since it is larger than the sum of its proper divisors (1865874092266).

1873191245056 is an frugal number, since it uses more digits than its factorization.

1873191245056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317153317 (or 7317153303 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 1873191245056 in words is "one trillion, eight hundred seventy-three billion, one hundred ninety-one million, two hundred forty-five thousand, fifty-six".