804570043551 has 8 divisors (see below), whose sum is σ = 1077211345584. Its totient is φ = 534154385280.

The previous prime is 804570043481. The next prime is 804570043601. The reversal of 804570043551 is 155340075408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 804570043551 - 2¹¹ = 804570041503 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804570043051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556410096 + ... + 556411541.

It is an arithmetic number, because the mean of its divisors is an integer number (134651418198).

Almost surely, 2^804570043551 is an apocalyptic number.

804570043551 is a deficient number, since it is larger than the sum of its proper divisors (272641302033).

804570043551 is a wasteful number, since it uses less digits than its factorization.

804570043551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112821881.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 804570043551 in words is "eight hundred four billion, five hundred seventy million, forty-three thousand, five hundred fifty-one".