1801043908573 has 64 divisors (see below), whose sum is σ = 2256243720192. Its totient is φ = 1399834275840.

The previous prime is 1801043908571. The next prime is 1801043908577. The reversal of 1801043908573 is 3758093401081.

It is a happy number.

It is not a de Polignac number, because 1801043908573 - 2¹ = 1801043908571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801043908571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 852362365 + ... + 852364477.

It is an arithmetic number, because the mean of its divisors is an integer number (35253808128).

Almost surely, 2^{1801043908573} is an apocalyptic number.

1801043908573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1801043908573 is a deficient number, since it is larger than the sum of its proper divisors (455199811619).

1801043908573 is a wasteful number, since it uses less digits than its factorization.

1801043908573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 1801043908573 in words is "one trillion, eight hundred one billion, forty-three million, nine hundred eight thousand, five hundred seventy-three".