1873447774916 has 12 divisors (see below), whose sum is σ = 3280295324460. Its totient is φ = 936220539360.

The previous prime is 1873447774901. The next prime is 1873447774931. The reversal of 1873447774916 is 6194777443781.

It is an interprime number because it is at equal distance from previous prime (1873447774901) and next prime (1873447774931).

It can be written as a sum of positive squares in 2 ways, for example, as 748796008900 + 1124651766016 = 865330^2 + 1060496^2 .

It is a super-2 number, since 2×1873447774916² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 125828651 + ... + 125843538.

It is an arithmetic number, because the mean of its divisors is an integer number (273357943705).

Almost surely, 2^{1873447774916} is an apocalyptic number.

It is an amenable number.

1873447774916 is a deficient number, since it is larger than the sum of its proper divisors (1406847549544).

1873447774916 is a wasteful number, since it uses less digits than its factorization.

1873447774916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251674054 (or 251674052 counting only the distinct ones).

The product of its digits is 199148544, while the sum is 68.

The spelling of 1873447774916 in words is "one trillion, eight hundred seventy-three billion, four hundred forty-seven million, seven hundred seventy-four thousand, nine hundred sixteen".