1803924328738 has 32 divisors (see below), whose sum is σ = 3097098812160. Its totient is φ = 771946718400.

The previous prime is 1803924328729. The next prime is 1803924328741. The reversal of 1803924328738 is 8378234293081.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 42027088 + ... + 42069988.

It is an arithmetic number, because the mean of its divisors is an integer number (96784337880).

Almost surely, 2^{1803924328738} is an apocalyptic number.

1803924328738 is a deficient number, since it is larger than the sum of its proper divisors (1293174483422).

1803924328738 is a wasteful number, since it uses less digits than its factorization.

1803924328738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47362.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 1803924328738 in words is "one trillion, eight hundred three billion, nine hundred twenty-four million, three hundred twenty-eight thousand, seven hundred thirty-eight".