1873664898 has 96 divisors (see below), whose sum is σ = 4590443520. Its totient is φ = 498052800.

The previous prime is 1873664887. The next prime is 1873664899. The reversal of 1873664898 is 8984663781.

It is not an unprimeable number, because it can be changed into a prime (1873664899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2969043 + ... + 2969673.

It is an arithmetic number, because the mean of its divisors is an integer number (47817120).

Almost surely, 2^1873664898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1873664898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295221760).

1873664898 is an abundant number, since it is smaller than the sum of its proper divisors (2716778622).

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

1873664898 is a wasteful number, since it uses less digits than its factorization.

1873664898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 723 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 1873664898 is about 43285.8510139283. The cubic root of 1873664898 is about 1232.8132881433.

The spelling of 1873664898 in words is "one billion, eight hundred seventy-three million, six hundred sixty-four thousand, eight hundred ninety-eight".