1873820468 has 12 divisors (see below), whose sum is σ = 3531430980. Its totient is φ = 864840192.

The previous prime is 1873820411. The next prime is 1873820477. The reversal of 1873820468 is 8640283781.

It can be written as a sum of positive squares in 2 ways, for example, as 177369124 + 1696451344 = 13318^2 + 41188^2 .

It is a super-2 number, since 2×1873820468² = 7022406292591478048, which contains 22 as substring.

It is a congruent number.

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, 18017453 + ... + 18017556.

It is an arithmetic number, because the mean of its divisors is an integer number (294285915).

Almost surely, 2^1873820468 is an apocalyptic number.

It is an amenable number.

1873820468 is a deficient number, since it is larger than the sum of its proper divisors (1657610512).

1873820468 is a wasteful number, since it uses less digits than its factorization.

1873820468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36035026 (or 36035024 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 1873820468 is about 43287.6479841536. The cubic root of 1873820468 is about 1232.8474072745.

The spelling of 1873820468 in words is "one billion, eight hundred seventy-three million, eight hundred twenty thousand, four hundred sixty-eight".