3124474609 has 3 divisors (see below), whose sum is σ = 3124530507. Its totient is φ = 3124418712.

The previous prime is 3124474597. The next prime is 3124474621. The reversal of 3124474609 is 9064744213.

The square root of 3124474609 is 55897.

It is a perfect power (a square), and thus also a powerful 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 an interprime number because it is at equal distance from previous prime (3124474597) and next prime (3124474621).

It can be written as a sum of positive squares in only one way, i.e., 1745986225 + 1378488384 = 41785^2 + 37128^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3124474609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3124474699) 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 2 ways as a sum of consecutive naturals, for example, 27949 + ... + 83845.

It is an arithmetic number, because the mean of its divisors is an integer number (1041510169).

Almost surely, 2^3124474609 is an apocalyptic number.

3124474609 is the 55897-th square number.

3124474609 is the 27949-th centered octagonal number.

It is an amenable number.

3124474609 is a deficient number, since it is larger than the sum of its proper divisors (55898).

3124474609 is an frugal number, since it uses more digits than its factorization.

3124474609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111794 (or 55897 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The cubic root of 3124474609 is about 1461.9269310421.

The spelling of 3124474609 in words is "three billion, one hundred twenty-four million, four hundred seventy-four thousand, six hundred nine".