6451262663 has 8 divisors (see below), whose sum is σ = 7127738208. Its totient is φ = 5807785984.

The previous prime is 6451262651. The next prime is 6451262677. The reversal of 6451262663 is 3662621546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6451262663 - 2⁴ = 6451262647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6451262663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451262693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8249306 + ... + 8250087.

It is an arithmetic number, because the mean of its divisors is an integer number (890967276).

Almost surely, 2^6451262663 is an apocalyptic number.

6451262663 is a deficient number, since it is larger than the sum of its proper divisors (676475545).

6451262663 is a wasteful number, since it uses less digits than its factorization.

6451262663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16499433.

The product of its digits is 311040, while the sum is 41.

The square root of 6451262663 is about 80319.7526328362. The cubic root of 6451262663 is about 1861.5794445351.

The spelling of 6451262663 in words is "six billion, four hundred fifty-one million, two hundred sixty-two thousand, six hundred sixty-three".