6463241651 has 4 divisors (see below), whose sum is σ = 6464354400. Its totient is φ = 6462128904.

The previous prime is 6463241597. The next prime is 6463241693. The reversal of 6463241651 is 1561423646.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6463241651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6460241651) 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, 547616 + ... + 559293.

It is an arithmetic number, because the mean of its divisors is an integer number (1616088600).

Almost surely, 2^6463241651 is an apocalyptic number.

6463241651 is a deficient number, since it is larger than the sum of its proper divisors (1112749).

6463241651 is a wasteful number, since it uses less digits than its factorization.

6463241651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112748.

The product of its digits is 103680, while the sum is 38.

The square root of 6463241651 is about 80394.2886715219. The cubic root of 6463241651 is about 1862.7309529437.

The spelling of 6463241651 in words is "six billion, four hundred sixty-three million, two hundred forty-one thousand, six hundred fifty-one".