6220354909 has 4 divisors (see below), whose sum is σ = 6221176416. Its totient is φ = 6219533404.

The previous prime is 6220354901. The next prime is 6220354949. The reversal of 6220354909 is 9094530226.

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 a cyclic number.

It is not a de Polignac number, because 6220354909 - 2³ = 6220354901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220354901) 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, 399289 + ... + 414574.

It is an arithmetic number, because the mean of its divisors is an integer number (1555294104).

Almost surely, 2^6220354909 is an apocalyptic number.

It is an amenable number.

6220354909 is a deficient number, since it is larger than the sum of its proper divisors (821507).

6220354909 is an equidigital number, since it uses as much as digits as its factorization.

6220354909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821506.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 6220354909 is about 78869.2266286414. The cubic root of 6220354909 is about 1839.0987738600.

The spelling of 6220354909 in words is "six billion, two hundred twenty million, three hundred fifty-four thousand, nine hundred nine".