63532738273 has 4 divisors (see below), whose sum is σ = 63534455488. Its totient is φ = 63531021060.

The previous prime is 63532738267. The next prime is 63532738277. The reversal of 63532738273 is 37283723536.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63532738273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63532738277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801861 + ... + 877522.

It is an arithmetic number, because the mean of its divisors is an integer number (15883613872).

Almost surely, 2^63532738273 is an apocalyptic number.

It is an amenable number.

63532738273 is a deficient number, since it is larger than the sum of its proper divisors (1717215).

63532738273 is a wasteful number, since it uses less digits than its factorization.

63532738273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717214.

The product of its digits is 3810240, while the sum is 49.

The spelling of 63532738273 in words is "sixty-three billion, five hundred thirty-two million, seven hundred thirty-eight thousand, two hundred seventy-three".