63539142727675 has 48 divisors (see below), whose sum is σ = 81722042936640. Its totient is φ = 48966976880640.

The previous prime is 63539142727673. The next prime is 63539142727817. The reversal of 63539142727675 is 57672724193536.

It is not a de Polignac number, because 63539142727675 - 2¹ = 63539142727673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63539142727675.

It is not an unprimeable number, because it can be changed into a prime (63539142727673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96776554 + ... + 97430896.

It is an arithmetic number, because the mean of its divisors is an integer number (1702542561180).

Almost surely, 2^{63539142727675} is an apocalyptic number.

63539142727675 is a deficient number, since it is larger than the sum of its proper divisors (18182900208965).

63539142727675 is a wasteful number, since it uses less digits than its factorization.

63539142727675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655432 (or 655427 counting only the distinct ones).

The product of its digits is 400075200, while the sum is 67.

The spelling of 63539142727675 in words is "sixty-three trillion, five hundred thirty-nine billion, one hundred forty-two million, seven hundred twenty-seven thousand, six hundred seventy-five".