1408570609 has 4 divisors (see below), whose sum is σ = 1409092516. Its totient is φ = 1408048704.

The previous prime is 1408570561. The next prime is 1408570613. The reversal of 1408570609 is 9060758041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9060758041 = 229 ⋅39566629.

It can be written as a sum of positive squares in 2 ways, for example, as 630160609 + 778410000 = 25103^2 + 27900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408570609 - 2⁷ = 1408570481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1408570619) 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, 256884 + ... + 262309.

It is an arithmetic number, because the mean of its divisors is an integer number (352273129).

Almost surely, 2^1408570609 is an apocalyptic number.

It is an amenable number.

1408570609 is a deficient number, since it is larger than the sum of its proper divisors (521907).

1408570609 is an equidigital number, since it uses as much as digits as its factorization.

1408570609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521906.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1408570609 is about 37530.9286988745. The cubic root of 1408570609 is about 1120.9671198495.

The spelling of 1408570609 in words is "one billion, four hundred eight million, five hundred seventy thousand, six hundred nine".