6220006491 has 4 divisors (see below), whose sum is σ = 8293341992. Its totient is φ = 4146670992.

The previous prime is 6220006477. The next prime is 6220006511. The reversal of 6220006491 is 1946000226.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6220006491 - 2²⁷ = 6085788763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6230006491) 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 3 ways as a sum of consecutive naturals, for example, 1036667746 + ... + 1036667751.

It is an arithmetic number, because the mean of its divisors is an integer number (2073335498).

Almost surely, 2^6220006491 is an apocalyptic number.

6220006491 is a deficient number, since it is larger than the sum of its proper divisors (2073335501).

6220006491 is a wasteful number, since it uses less digits than its factorization.

6220006491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073335500.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6220006491 is about 78867.0177640818. The cubic root of 6220006491 is about 1839.0644356756.

The spelling of 6220006491 in words is "six billion, two hundred twenty million, six thousand, four hundred ninety-one".