6264481997 has 16 divisors (see below), whose sum is σ = 6808665600. Its totient is φ = 5741100288.

The previous prime is 6264481987. The next prime is 6264482017. The reversal of 6264481997 is 7991844626.

It is a cyclic number.

It is not a de Polignac number, because 6264481997 - 2¹⁰ = 6264480973 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 (6264481907) 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 15 ways as a sum of consecutive naturals, for example, 137504 + ... + 177302.

It is an arithmetic number, because the mean of its divisors is an integer number (425541600).

Almost surely, 2^6264481997 is an apocalyptic number.

It is an amenable number.

6264481997 is a deficient number, since it is larger than the sum of its proper divisors (544183603).

6264481997 is a wasteful number, since it uses less digits than its factorization.

6264481997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40060.

The product of its digits is 5225472, while the sum is 56.

The square root of 6264481997 is about 79148.4806992528. The cubic root of 6264481997 is about 1843.4373754087.

The spelling of 6264481997 in words is "six billion, two hundred sixty-four million, four hundred eighty-one thousand, nine hundred ninety-seven".