63279343263 has 8 divisors (see below), whose sum is σ = 85755612976. Its totient is φ = 41494651200.

The previous prime is 63279343261. The next prime is 63279343301. The reversal of 63279343263 is 36234397236.

It is a happy number.

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

It is not a de Polignac number, because 63279343263 - 2¹ = 63279343261 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 (63279343261) 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, 172894198 + ... + 172894563.

It is an arithmetic number, because the mean of its divisors is an integer number (10719451622).

Almost surely, 2^63279343263 is an apocalyptic number.

63279343263 is a deficient number, since it is larger than the sum of its proper divisors (22476269713).

63279343263 is a wasteful number, since it uses less digits than its factorization.

63279343263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345788825.

The product of its digits is 2939328, while the sum is 48.

The spelling of 63279343263 in words is "sixty-three billion, two hundred seventy-nine million, three hundred forty-three thousand, two hundred sixty-three".