63602423688431 has 4 divisors (see below), whose sum is σ = 65795610712200. Its totient is φ = 61409236664664.

The previous prime is 63602423688409. The next prime is 63602423688527. The reversal of 63602423688431 is 13488632420636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63602423688431 is a prime.

It is a super-2 number, since 2×63602423688431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63602423618431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096593511841 + ... + 1096593511898.

It is an arithmetic number, because the mean of its divisors is an integer number (16448902678050).

Almost surely, 2^{63602423688431} is an apocalyptic number.

63602423688431 is a deficient number, since it is larger than the sum of its proper divisors (2193187023769).

63602423688431 is a wasteful number, since it uses less digits than its factorization.

63602423688431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193187023768.

The product of its (nonzero) digits is 23887872, while the sum is 56.

The spelling of 63602423688431 in words is "sixty-three trillion, six hundred two billion, four hundred twenty-three million, six hundred eighty-eight thousand, four hundred thirty-one".