804149469 has 12 divisors (see below), whose sum is σ = 1167447996. Its totient is φ = 533377152.

The previous prime is 804149449. The next prime is 804149513. The reversal of 804149469 is 964941408.

It can be written as a sum of positive squares in 2 ways, for example, as 737122500 + 67026969 = 27150^2 + 8187^2 .

It is not a de Polignac number, because 804149469 - 2⁹ = 804148957 is a prime.

It is a super-2 number, since 2×804149469² = 1293312736985963922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804149449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225004 + ... + 228549.

It is an arithmetic number, because the mean of its divisors is an integer number (97287333).

Almost surely, 2^804149469 is an apocalyptic number.

It is an amenable number.

804149469 is a deficient number, since it is larger than the sum of its proper divisors (363298527).

804149469 is a wasteful number, since it uses less digits than its factorization.

804149469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453756 (or 453753 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 804149469 is about 28357.5293176257. The cubic root of 804149469 is about 929.9200104633.

The spelling of 804149469 in words is "eight hundred four million, one hundred forty-nine thousand, four hundred sixty-nine".