63273215605 has 8 divisors (see below), whose sum is σ = 75990461112. Its totient is φ = 50576837568.

The previous prime is 63273215557. The next prime is 63273215627. The reversal of 63273215605 is 50651237236.

It can be written as a sum of positive squares in 4 ways, for example, as 4998772804 + 58274442801 = 70702^2 + 241401^2 .

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 63273215605 - 2¹¹ = 63273213557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5210194 + ... + 5222323.

It is an arithmetic number, because the mean of its divisors is an integer number (9498807639).

Almost surely, 2^63273215605 is an apocalyptic number.

It is an amenable number.

63273215605 is a deficient number, since it is larger than the sum of its proper divisors (12717245507).

63273215605 is a wasteful number, since it uses less digits than its factorization.

63273215605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433735.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 63273215605 in words is "sixty-three billion, two hundred seventy-three million, two hundred fifteen thousand, six hundred five".