469584139 has 4 divisors (see below), whose sum is σ = 469627480. Its totient is φ = 469540800.

The previous prime is 469584121. The next prime is 469584223. The reversal of 469584139 is 931485964.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 469584139 - 2¹³ = 469575947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 469584092 and 469584101.

It is not an unprimeable number, because it can be changed into a prime (469584539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10732 + ... + 32470.

It is an arithmetic number, because the mean of its divisors is an integer number (117406870).

Almost surely, 2^469584139 is an apocalyptic number.

469584139 is a deficient number, since it is larger than the sum of its proper divisors (43341).

469584139 is a wasteful number, since it uses less digits than its factorization.

469584139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43340.

The product of its digits is 933120, while the sum is 49.

The square root of 469584139 is about 21669.8901473911. The cubic root of 469584139 is about 777.2686292314.

The spelling of 469584139 in words is "four hundred sixty-nine million, five hundred eighty-four thousand, one hundred thirty-nine".