1804730974738 has 4 divisors (see below), whose sum is σ = 2707096462110. Its totient is φ = 902365487368.

The previous prime is 1804730974693. The next prime is 1804730974777. The reversal of 1804730974738 is 8374790374081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1660508000449 + 144222974289 = 1288607^2 + 379767^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451182743683 + ... + 451182743686.

Almost surely, 2^{1804730974738} is an apocalyptic number.

1804730974738 is a deficient number, since it is larger than the sum of its proper divisors (902365487372).

1804730974738 is an equidigital number, since it uses as much as digits as its factorization.

1804730974738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902365487371.

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 1804730974738 in words is "one trillion, eight hundred four billion, seven hundred thirty million, nine hundred seventy-four thousand, seven hundred thirty-eight".