6506476073 has 4 divisors (see below), whose sum is σ = 6514640580. Its totient is φ = 6498311568.

The previous prime is 6506476051. The next prime is 6506476087. The reversal of 6506476073 is 3706746056.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5164865689 + 1341610384 = 71867^2 + 36628^2 .

It is a cyclic number.

It is not a de Polignac number, because 6506476073 - 2⁸ = 6506475817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6506472073) 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, 4081058 + ... + 4082651.

It is an arithmetic number, because the mean of its divisors is an integer number (1628660145).

Almost surely, 2^6506476073 is an apocalyptic number.

It is an amenable number.

6506476073 is a deficient number, since it is larger than the sum of its proper divisors (8164507).

6506476073 is an equidigital number, since it uses as much as digits as its factorization.

6506476073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164506.

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 6506476073 is about 80662.7303839884. The cubic root of 6506476073 is about 1866.8751679339.

The spelling of 6506476073 in words is "six billion, five hundred six million, four hundred seventy-six thousand, seventy-three".