1834804521 has 96 divisors (see below), whose sum is σ = 3178454400. Its totient is φ = 1037162880.

The previous prime is 1834804519. The next prime is 1834804541. The reversal of 1834804521 is 1254084381.

It is not a de Polignac number, because 1834804521 - 2¹ = 1834804519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1834804541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11686575 + ... + 11686731.

It is an arithmetic number, because the mean of its divisors is an integer number (33108900).

Almost surely, 2^1834804521 is an apocalyptic number.

1834804521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1834804521 is a deficient number, since it is larger than the sum of its proper divisors (1343649879).

1834804521 is a wasteful number, since it uses less digits than its factorization.

1834804521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1834804521 is about 42834.6182543979. The cubic root of 1834804521 is about 1224.2307031015.

The spelling of 1834804521 in words is "one billion, eight hundred thirty-four million, eight hundred four thousand, five hundred twenty-one".