63630403636 has 6 divisors (see below), whose sum is σ = 111353206370. Its totient is φ = 31815201816.

The previous prime is 63630403607. The next prime is 63630403649.

63630403636 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 62030883600 + 1599520036 = 249060^2 + 39994^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7953800451 + ... + 7953800458.

Almost surely, 2^63630403636 is an apocalyptic number.

It is an amenable number.

63630403636 is a deficient number, since it is larger than the sum of its proper divisors (47722802734).

63630403636 is a wasteful number, since it uses less digits than its factorization.

63630403636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15907600913 (or 15907600911 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 40.

The spelling of 63630403636 in words is "sixty-three billion, six hundred thirty million, four hundred three thousand, six hundred thirty-six".