1304975469 has 12 divisors (see below), whose sum is σ = 1988786336. Its totient is φ = 745605672.

The previous prime is 1304975467. The next prime is 1304975489. The reversal of 1304975469 is 9645794031.

It is not a de Polignac number, because 1304975469 - 2¹ = 1304975467 is a prime.

It is a super-2 number, since 2×1304975469² = 3405921949383539922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304975467) 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, 161602 + ... + 169484.

Almost surely, 2^1304975469 is an apocalyptic number.

It is an amenable number.

1304975469 is a deficient number, since it is larger than the sum of its proper divisors (683810867).

1304975469 is an frugal number, since it uses more digits than its factorization.

1304975469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15776 (or 7893 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 1304975469 is about 36124.4442033369. Note that the first 3 decimals coincide. The cubic root of 1304975469 is about 1092.7834672973.

The spelling of 1304975469 in words is "one billion, three hundred four million, nine hundred seventy-five thousand, four hundred sixty-nine".