1873045891460 has 24 divisors (see below), whose sum is σ = 3934203096600. Its totient is φ = 749064694784.

The previous prime is 1873045891399. The next prime is 1873045891463. The reversal of 1873045891460 is 641985403781.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20218564864 + 1852827326596 = 142192^2 + 1361186^2 .

It is a super-2 number, since 2×1873045891460² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1873045891396 and 1873045891405.

It is not an unprimeable number, because it can be changed into a prime (1873045891463) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9503885 + ... + 9698964.

It is an arithmetic number, because the mean of its divisors is an integer number (163925129025).

Almost surely, 2^{1873045891460} is an apocalyptic number.

1873045891460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1873045891460 is an abundant number, since it is smaller than the sum of its proper divisors (2061157205140).

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

1873045891460 is a wasteful number, since it uses less digits than its factorization.

1873045891460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19207735 (or 19207733 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 1873045891460 in words is "one trillion, eight hundred seventy-three billion, forty-five million, eight hundred ninety-one thousand, four hundred sixty".