1803810920992 has 12 divisors (see below), whose sum is σ = 3551252750766. Its totient is φ = 901905460480.

The previous prime is 1803810920987. The next prime is 1803810920999. The reversal of 1803810920992 is 2990290183081.

It can be written as a sum of positive squares in only one way, i.e., 1774021541776 + 29789379216 = 1331924^2 + 172596^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1803810920999) 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 as a sum of consecutive naturals, namely, 28184545609 + ... + 28184545672.

Almost surely, 2^{1803810920992} is an apocalyptic number.

It is an amenable number.

1803810920992 is a deficient number, since it is larger than the sum of its proper divisors (1747441829774).

1803810920992 is an equidigital number, since it uses as much as digits as its factorization.

1803810920992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56369091291 (or 56369091283 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 1803810920992 in words is "one trillion, eight hundred three billion, eight hundred ten million, nine hundred twenty thousand, nine hundred ninety-two".