63242636820479 has 16 divisors (see below), whose sum is σ = 68512555565568. Its totient is φ = 58149544532352.

The previous prime is 63242636820463. The next prime is 63242636820509. The reversal of 63242636820479 is 97402863624236.

It is a cyclic number.

It is not a de Polignac number, because 63242636820479 - 2⁴ = 63242636820463 is a prime.

It is a super-2 number, since 2×63242636820479² (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 (63242636820439) 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 15 ways as a sum of consecutive naturals, for example, 71914169 + ... + 72788274.

It is an arithmetic number, because the mean of its divisors is an integer number (4282034722848).

Almost surely, 2^{63242636820479} is an apocalyptic number.

63242636820479 is a deficient number, since it is larger than the sum of its proper divisors (5269918745089).

63242636820479 is a wasteful number, since it uses less digits than its factorization.

63242636820479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144703054.

The product of its (nonzero) digits is 125411328, while the sum is 62.

The spelling of 63242636820479 in words is "sixty-three trillion, two hundred forty-two billion, six hundred thirty-six million, eight hundred twenty thousand, four hundred seventy-nine".