5409632009 has 4 divisors (see below), whose sum is σ = 5430201216. Its totient is φ = 5389062804.

The previous prime is 5409631979. The next prime is 5409632021. The reversal of 5409632009 is 9002369045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9002369045 = 5 ⋅1800473809.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5409632009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5409632099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10284209 + ... + 10284734.

It is an arithmetic number, because the mean of its divisors is an integer number (1357550304).

Almost surely, 2^5409632009 is an apocalyptic number.

It is an amenable number.

5409632009 is a deficient number, since it is larger than the sum of its proper divisors (20569207).

5409632009 is a wasteful number, since it uses less digits than its factorization.

5409632009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20569206.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 5409632009 is about 73550.2006047570. The cubic root of 5409632009 is about 1755.4531405655.

The spelling of 5409632009 in words is "five billion, four hundred nine million, six hundred thirty-two thousand, nine".