819468001 has 4 divisors (see below), whose sum is σ = 893965104. Its totient is φ = 744970900.

The previous prime is 819467959. The next prime is 819468007. The reversal of 819468001 is 100864918.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 819468001 - 2⁹ = 819467489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (819468007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37248535 + ... + 37248556.

It is an arithmetic number, because the mean of its divisors is an integer number (223491276).

Almost surely, 2^819468001 is an apocalyptic number.

It is an amenable number.

819468001 is a deficient number, since it is larger than the sum of its proper divisors (74497103).

819468001 is a wasteful number, since it uses less digits than its factorization.

819468001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74497102.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 819468001 is about 28626.3515139460. The cubic root of 819468001 is about 935.7877015195.

The spelling of 819468001 in words is "eight hundred nineteen million, four hundred sixty-eight thousand, one".