63604240636 has 12 divisors (see below), whose sum is σ = 113407561512. Its totient is φ = 31202080208.

The previous prime is 63604240631. The next prime is 63604240673.

63604240636 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63604240631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150009790 + ... + 150010213.

It is an arithmetic number, because the mean of its divisors is an integer number (9450630126).

Almost surely, 2^63604240636 is an apocalyptic number.

It is an amenable number.

63604240636 is a deficient number, since it is larger than the sum of its proper divisors (49803320876).

63604240636 is a wasteful number, since it uses less digits than its factorization.

63604240636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300020060 (or 300020058 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 63604240636 in words is "sixty-three billion, six hundred four million, two hundred forty thousand, six hundred thirty-six".