469539513 has 12 divisors (see below), whose sum is σ = 678443220. Its totient is φ = 312925056.

The previous prime is 469539451. The next prime is 469539517. The reversal of 469539513 is 315935964.

469539513 is a `hidden beast` number, since 4 + 69 + 539 + 51 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 94420089 + 375119424 = 9717^2 + 19368^2 .

It is not a de Polignac number, because 469539513 - 2¹⁴ = 469523129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (469539517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30253 + ... + 43061.

It is an arithmetic number, because the mean of its divisors is an integer number (56536935).

Almost surely, 2^469539513 is an apocalyptic number.

It is an amenable number.

469539513 is a deficient number, since it is larger than the sum of its proper divisors (208903707).

469539513 is a wasteful number, since it uses less digits than its factorization.

469539513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888 (or 16885 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 469539513 is about 21668.8604453488. The cubic root of 469539513 is about 777.2440063891.

The spelling of 469539513 in words is "four hundred sixty-nine million, five hundred thirty-nine thousand, five hundred thirteen".