6504641701 has 4 divisors (see below), whose sum is σ = 6505177804. Its totient is φ = 6504105600.

The previous prime is 6504641653. The next prime is 6504641719. The reversal of 6504641701 is 1071464056.

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 6150637476 + 354004225 = 78426^2 + 18815^2 .

It is a cyclic number.

It is not a de Polignac number, because 6504641701 - 2¹⁵ = 6504608933 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 (6504641771) 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, 249420 + ... + 274261.

It is an arithmetic number, because the mean of its divisors is an integer number (1626294451).

Almost surely, 2^6504641701 is an apocalyptic number.

It is an amenable number.

6504641701 is a deficient number, since it is larger than the sum of its proper divisors (536103).

6504641701 is a wasteful number, since it uses less digits than its factorization.

6504641701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536102.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 6504641701 is about 80651.3589532129. The cubic root of 6504641701 is about 1866.6997086236.

The spelling of 6504641701 in words is "six billion, five hundred four million, six hundred forty-one thousand, seven hundred one".