1801873424488 has 8 divisors (see below), whose sum is σ = 3378512670930. Its totient is φ = 900936712240.

The previous prime is 1801873424479. The next prime is 1801873424489. The reversal of 1801873424488 is 8844243781081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 934512756804 + 867360667684 = 966702^2 + 931322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1801873424488² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1801873424489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112617089023 + ... + 112617089038.

Almost surely, 2^{1801873424488} is an apocalyptic number.

It is an amenable number.

1801873424488 is a deficient number, since it is larger than the sum of its proper divisors (1576639246442).

1801873424488 is a wasteful number, since it uses less digits than its factorization.

1801873424488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225234178067 (or 225234178063 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 58.

The spelling of 1801873424488 in words is "one trillion, eight hundred one billion, eight hundred seventy-three million, four hundred twenty-four thousand, four hundred eighty-eight".