6735542209 has 4 divisors (see below), whose sum is σ = 7347864240. Its totient is φ = 6123220180.

The previous prime is 6735542201. The next prime is 6735542221. The reversal of 6735542209 is 9022455376.

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.

It is not a de Polignac number, because 6735542209 - 2³ = 6735542201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6735542201) 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, 306160999 + ... + 306161020.

It is an arithmetic number, because the mean of its divisors is an integer number (1836966060).

Almost surely, 2^6735542209 is an apocalyptic number.

It is an amenable number.

6735542209 is a deficient number, since it is larger than the sum of its proper divisors (612322031).

6735542209 is a wasteful number, since it uses less digits than its factorization.

6735542209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612322030.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 6735542209 is about 82070.3491463269. The cubic root of 6735542209 is about 1888.5313010595.

The spelling of 6735542209 in words is "six billion, seven hundred thirty-five million, five hundred forty-two thousand, two hundred nine".